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Lesson 3

First Declension

Case functions; feminine a- and η-stem nouns; masculine nouns in -ης.

Cases

English shows a noun's job mostly by word order: 'the man sees the house' means something different from 'the house sees the man'. Greek instead changes the ending of the noun itself. These endings are called cases, and because the ending does the work, Greek word order is much freer than English.

The five cases you need: nominative marks the subject, the person or thing the clause says something about. Genitive often shows possession or another relationship, commonly translated 'of'. Dative can mark a recipient or means, translated 'to', 'for', 'by', or 'with'. Accusative commonly marks the direct object, as 'a prophet' in 'a disciple sees a prophet'. Vocative is used for direct address, like calling someone's name.

Subject and object describe jobs in a sentence. The subject does not always perform an action: in 'the disciple is taught', the disciple is still the subject. These first case meanings are starting points; a verb or a preposition can call for a particular case too.

A declension is a family of nouns that share patterns of endings. We begin with the first declension: mostly feminine nouns like ἀρχή ('beginning'), ὥρα ('hour'), and δόξα ('glory'), plus some masculine nouns like προφήτης ('prophet'). Learn how their endings show case and number before moving to the second declension in lesson 4.

  • μαθητὴς βλέπει προφήτην. — A disciple (nominative) sees a prophet (accusative).
  • λέγω προφήτῃ. — I speak to a prophet (dative).
  • φωνὴ προφήτου — a prophet's voice (genitive of possession)

Three patterns

The first declension is the family of mostly feminine nouns whose stems end in α or η. The good news: every first-declension noun has the same plural endings (-αι, -ων, -αις, -ας), so you only need to sort out the singular.

The singular comes in three flavors, and the difference is only whether α or η appears. The η-type (ἀρχή, 'beginning') keeps η all through the singular. The α-pure type (ὥρα, 'hour') keeps α all through the singular — this happens when the stem ends in ε, ι, or ρ, a combination where Greek disliked the sound of η. The mixed type (δόξα, 'glory') has α in the nominative and accusative but η in the genitive and dative.

Learn a noun's genitive singular alongside its nominative (e.g. δόξα, -ης); that second form helps identify the pattern. The genitive ending -ης signals mixed or η-type; -ας signals α-pure.

  • ἀρχή, -ῆς — beginning (η throughout: ἀρχῆς, ἀρχῇ, ἀρχήν)
  • ὥρα, -ας — hour (α throughout: ὥρας, ὥρᾳ, ὥραν)
  • δόξα, -ης — glory (mixed: δόξης, δόξῃ, δόξαν)

Masculine first declension

Some first-declension nouns are masculine — mostly words for male people: προφήτης ('prophet'), μαθητής ('disciple'), νεανίας ('young man'). Their endings mostly follow the feminine patterns, but the singular nominative ends in -ης or -ας and the genitive in -ου: προφήτης becomes προφήτου, 'of a prophet'. You will also meet the genitive ending -ου in the second declension in lesson 4.

Gender is a grammatical property of a noun; a declension is its pattern of endings. So sharing a declension does not mean sharing a gender: προφήτης is masculine, while ἀρχή is feminine. Learn each noun's gender with its spelling and genitive form. Lesson 5 will show how the article ('the') also identifies gender.

  • φωνὴ προφήτου — a prophet's voice (masculine genitive -ου)
  • μαθητὴς ἀκούει φωνήν. — A disciple hears a voice (masculine subject, feminine object).

Paradigms

ἀρχή — 1st Declension (η-type)

Lesson 3

SingularPlural
Nominativeἀρχήἀρχαί
Genitiveἀρχῆςἀρχῶν
Dativeἀρχῇἀρχαῖς
Accusativeἀρχήνἀρχάς
Vocativeἀρχήἀρχαί

ὥρα — 1st Declension (α-pure)

Lesson 3

SingularPlural
Nominativeὥραὧραι
Genitiveὥραςὡρῶν
Dativeὥρᾳὥραις
Accusativeὥρανὥρας
Vocativeὥραὧραι

δόξα — 1st Declension (mixed)

Lesson 3

SingularPlural
Nominativeδόξαδόξαι
Genitiveδόξηςδοξῶν
Dativeδόξῃδόξαις
Accusativeδόξανδόξας
Vocativeδόξαδόξαι

προφήτης — 1st Declension Masculine

Lesson 3

SingularPlural
Nominativeπροφήτηςπροφῆται
Genitiveπροφήτουπροφητῶν
Dativeπροφήτῃπροφήταις
Accusativeπροφήτηνπροφήτας
Vocativeπροφῆταπροφῆται

Vocabulary (15)

ἀρχή, ἡ
beginning, origin; rule, authority
ἀγάπη, ἡ
love
γραφή, ἡ
writing, Scripture
ζωή, ἡ
life
φωνή, ἡ
voice, sound
ψυχή, ἡ
soul, life, self
ἐντολή, ἡ
command, commandment
ἡμέρα, ἡ
day
ὥρα, ἡ
hour, time of day
καρδία, ἡ
heart
οἰκία, ἡ
house, dwelling
δόξα, ἡ
glory, splendor, honor
θάλασσα, ἡ
sea
προφήτης, ὁ
prophet, revealer of God's will
μαθητής, ὁ
learner, pupil, disciple

Exercises

Constructed exercises (10)

Translate each sentence into English using the vocabulary and grammar taught so far. Compare your work with the model answers. Other valid translations are welcome; there is no automatic grading.

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  1. 1. Writing and learning

    γραφὴ διδάσκει μαθητάς.

  2. 2. A prophet speaks

    προφήτης λέγει ὅτι ἀγάπη σῴζει ψυχάς.

  3. 3. A voice

    ἀκούομεν φωνὴν προφήτου.

  4. 4. Disciples and commandments

    μαθηταὶ ἔχουσιν ἐντολάς.

  5. 5. Sea and houses

    βλέπομεν θάλασσαν καὶ οἰκίας.

  6. 6. Writing to a prophet

    προφήτῃ γράφομεν ἐντολήν.

  7. 7. Glory

    δόξαν οὐ θέλομεν.

  8. 8. A beginning

    ἀρχὴν ζωῆς βλέπομεν.

  9. 9. Heart and love

    καρδίᾳ πιστεύομεν καὶ ἀγάπην ἔχομεν.

  10. 10. Hours and days

    ὥρας καὶ ἡμέρας ἔχομεν.

New Testament exercises (12)

Greek → English: translate each reading. Use the reading aids below each exercise for unfamiliar words and forms.

Ellipses mark omitted source words. There is no automatic grading.

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  1. 1. John 1:4 · verse

    ἐν αὐτῷ ζωὴ ἦν, καὶ ἡ ζωὴ ἦν τὸ φῶς τῶν ἀνθρώπων·

    Reading aids (8) for exercise 1

    ἐν
    in
    αὐτῷ
    him/it (dative)
    ἦν
    was
    ἡ
    the
    τὸ
    the
    φῶς
    light (neuter singular)
    τῶν
    the
    ἀνθρώπων
    people (genitive plural form)
  2. 2. John 5:41–42 · verses

    δόξαν παρὰ ἀνθρώπων οὐ λαμβάνω, ἀλλὰ ἔγνωκα ὑμᾶς ὅτι τὴν ἀγάπην τοῦ θεοῦ οὐκ ἔχετε ἐν ἑαυτοῖς.

    Reading aids (10) for exercise 2

    παρὰ
    from (+ genitive here)
    ἀνθρώπων
    people (genitive plural form)
    λαμβάνω
    I receive
    ἀλλὰ
    but
    ἔγνωκα
    I know (perfect form)
    ὑμᾶς
    you (plural, object)
    τὴν
    the
    τοῦ θεοῦ
    of God
    ἐν
    in
    ἑαυτοῖς
    yourselves (plural, dative)
  3. 3. Matthew 4:10 · verse

    τότε λέγει αὐτῷ ὁ Ἰησοῦς· Ὕπαγε, Σατανᾶ· γέγραπται γάρ· Κύριον τὸν θεόν σου προσκυνήσεις καὶ αὐτῷ μόνῳ λατρεύσεις.

    Reading aids (15) for exercise 3

    τότε
    then
    αὐτῷ
    him/it (dative)
    ὁ
    the
    Ἰησοῦς
    Jesus
    Ὕπαγε
    go away!
    Σατανᾶ
    Satan (direct-address form)
    γέγραπται
    it is written
    γάρ
    for; introduces a reason
    Κύριον
    the Lord (object form)
    τὸν
    the
    θεόν
    God
    σου
    your (singular)
    προσκυνήσεις
    you shall worship (singular)
    μόνῳ
    only, alone
    λατρεύσεις
    you shall serve (singular)
  4. 4. John 2:22 · excerpt

    ὅτε οὖν ἠγέρθη ἐκ νεκρῶν, ἐμνήσθησαν οἱ μαθηταὶ αὐτοῦ ὅτι τοῦτο ἔλεγεν, καὶ ἐπίστευσαν τῇ γραφῇ καὶ τῷ λόγῳ …

    Reading aids (14) for exercise 4

    ὅτε
    when
    οὖν
    therefore, then (postpositive)
    ἠγέρθη
    he was raised
    ἐκ
    out of, from (+ genitive)
    νεκρῶν
    the dead (genitive plural)
    ἐμνήσθησαν
    they remembered
    οἱ
    the
    αὐτοῦ
    his
    τοῦτο
    this
    ἔλεγεν
    he was saying / used to say
    ἐπίστευσαν
    they believed / gave credence to
    τῇ
    the
    τῷ
    the
    λόγῳ
    word, message (dative singular)
  5. 5. Mark 4:39 · excerpt

    … ἐπετίμησεν τῷ ἀνέμῳ καὶ εἶπεν τῇ θαλάσσῃ· Σιώπα, πεφίμωσο. καὶ ἐκόπασεν ὁ ἄνεμος, καὶ ἐγένετο γαλήνη μεγάλη.

    Reading aids (13) for exercise 5

    ἐπετίμησεν
    he rebuked
    τῷ
    the
    ἀνέμῳ
    wind
    εἶπεν
    he said
    τῇ
    the
    Σιώπα
    be silent!
    πεφίμωσο
    be still! (literally, be muzzled)
    ἐκόπασεν
    it ceased, abated
    ὁ
    the
    ἄνεμος
    wind
    ἐγένετο
    there came to be
    γαλήνη
    calm
    μεγάλη
    great, large
  6. 6. 1 Peter 1:9 · verse

    κομιζόμενοι τὸ τέλος τῆς πίστεως ὑμῶν σωτηρίαν ψυχῶν.

    Reading aids (7) for exercise 6

    κομιζόμενοι
    as you receive (plural; continues the preceding sentence)
    τὸ
    the
    τέλος
    outcome, result
    τῆς
    the
    πίστεως
    faith (genitive singular)
    ὑμῶν
    your (plural); of you
    σωτηρίαν
    salvation
  7. 7. Matthew 11:13 · verse

    πάντες γὰρ οἱ προφῆται καὶ ὁ νόμος ἕως Ἰωάννου ἐπροφήτευσαν·

    Reading aids (8) for exercise 7

    πάντες
    all, every
    γὰρ
    for; introduces a reason
    οἱ
    the
    ὁ
    the
    νόμος
    law
    ἕως
    until (+ genitive here)
    Ἰωάννου
    John (genitive)
    ἐπροφήτευσαν
    they prophesied
  8. 8. John 5:39 · excerpt

    Ἐραυνᾶτε τὰς γραφάς, ὅτι ὑμεῖς δοκεῖτε ἐν αὐταῖς ζωὴν αἰώνιον ἔχειν· …

    Reading aids (7) for exercise 8

    Ἐραυνᾶτε
    you search; alternatively, search! (same form)
    τὰς
    the
    ὑμεῖς
    you (plural)
    δοκεῖτε
    you think (plural)
    ἐν
    in
    αὐταῖς
    in/to them (feminine plural)
    αἰώνιον
    eternal (describes ζωήν)
  9. 9. John 9:17 · verse

    λέγουσιν οὖν τῷ τυφλῷ πάλιν· Τί σὺ λέγεις περὶ αὐτοῦ, ὅτι ἠνέῳξέν σου τοὺς ὀφθαλμούς; ὁ δὲ εἶπεν ὅτι Προφήτης ἐστίν.

    Reading aids (16) for exercise 9

    οὖν
    therefore, then (postpositive)
    τῷ
    the
    τυφλῷ
    the blind man (dative form)
    πάλιν
    again
    Τί
    what?
    σὺ
    you (singular)
    περὶ
    (+gen) concerning; (+acc) around
    αὐτοῦ
    his
    ἠνέῳξέν
    he opened
    σου
    your (singular)
    τοὺς
    the
    ὀφθαλμούς
    eyes (object plural)
    ὁ
    the
    δὲ
    and, but (postpositive)
    εἶπεν
    he said
    ἐστίν
    he is
  10. 10. Acts 23:17 · excerpt

    … δὲ ὁ Παῦλος ἕνα τῶν ἑκατονταρχῶν ἔφη· Τὸν νεανίαν τοῦτον ἄπαγε πρὸς τὸν χιλίαρχον, ἔχει γὰρ ἀπαγγεῖλαί τι αὐτῷ.

    Reading aids (18) for exercise 10

    δὲ
    and, but (postpositive)
    ὁ
    the
    Παῦλος
    Paul
    ἕνα
    one (object form)
    τῶν
    the
    ἑκατονταρχῶν
    centurions (genitive plural)
    ἔφη
    he said
    Τὸν
    the
    νεανίαν
    young man
    τοῦτον
    this one (object)
    ἄπαγε
    take / lead away!
    πρὸς
    to/toward; with (+ accusative here)
    τὸν
    the
    χιλίαρχον
    commander
    γὰρ
    for; introduces a reason
    ἀπαγγεῖλαί
    to report
    τι
    something
    αὐτῷ
    him/it (dative)
  11. 11. Luke 10:7 · excerpt

    ἐν αὐτῇ δὲ τῇ οἰκίᾳ μένετε, …

    Reading aids (5) for exercise 11

    ἐν
    in
    αὐτῇ
    that same (describes the house here)
    δὲ
    and, but (postpositive)
    τῇ
    the
    μένετε
    remain! (plural; command here)
  12. 12. Mark 13:35 · verse

    γρηγορεῖτε οὖν, οὐκ οἴδατε γὰρ πότε ὁ κύριος τῆς οἰκίας ἔρχεται, ἢ ὀψὲ ἢ μεσονύκτιον ἢ ἀλεκτοροφωνίας ἢ πρωΐ,

    Reading aids (14) for exercise 12

    γρηγορεῖτε
    keep watch! (plural)
    οὖν
    therefore, then (postpositive)
    οἴδατε
    you know (plural)
    γὰρ
    for; introduces a reason
    πότε
    when?
    ὁ
    the
    κύριος
    lord, master; the Lord
    τῆς
    the
    ἔρχεται
    he comes / is coming
    ἢ
    either ... or; or
    ὀψὲ
    in the evening
    μεσονύκτιον
    midnight
    ἀλεκτοροφωνίας
    cockcrow
    πρωΐ
    early in the morning

Septuagint (LXX) exercises (8)

Greek → English: translate each reading. Use the reading aids below each exercise for unfamiliar words and forms.

Ellipses mark omitted source words. There is no automatic grading.

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  1. 1. Deuteronomy 29:3 (English Deuteronomy 29:4) · verse

    καὶ οὐκ ἔδωκεν κύριος ὁ θεὸς ὑμῖν καρδίαν εἰδέναι καὶ ὀφθαλμοὺς βλέπειν καὶ ὦτα ἀκούειν ἕως τῆς ἡμέρας ταύτης

    Reading aids (9) for exercise 1

    ἔδωκεν
    he gave
    κύριος ὁ θεὸς
    the Lord God
    ὑμῖν
    to you (plural)
    εἰδέναι
    to know (perfect infinitive with present meaning)
    ὀφθαλμοὺς
    eyes
    ὦτα
    ears
    ἕως
    until
    τῆς
    the (genitive singular)
    ταύτης
    this (agreeing with ἡμέρας)
  2. 2. 3 Kingdoms 3:9 (1 Kings 3:9) · excerpt

    καὶ δώσεις τῷ δούλῳ σου καρδίαν ἀκούειν καὶ διακρίνειν τὸν λαόν σου …

    Reading aids (7) for exercise 2

    δώσεις
    you will give (singular)
    τῷ
    to/for the
    δούλῳ
    servant
    σου
    your (singular)
    διακρίνειν
    to discern, judge
    τὸν
    the (accusative masculine singular)
    λαόν
    people
  3. 3. Psalm 3:3 (English Psalm 3:2) · verse

    πολλοὶ λέγουσιν τῇ ψυχῇ μου οὐκ ἔστιν σωτηρία αὐτῷ ἐν τῷ θεῷ αὐτοῦ διάψαλμα

    Reading aids (9) for exercise 3

    πολλοὶ
    many people
    τῇ
    to/for the
    μου
    my
    ἔστιν
    there is
    σωτηρία
    salvation, deliverance
    αὐτῷ
    for him
    ἐν τῷ θεῷ
    in God
    αὐτοῦ
    his
    διάψαλμα
    a musical interlude or pause (a direction in the psalm)
  4. 4. Haggai 1:7 · verse

    τάδε λέγει κύριος παντοκράτωρ θέσθε τὰς καρδίας ὑμῶν εἰς τὰς ὁδοὺς ὑμῶν

    Reading aids (8) for exercise 4

    τάδε
    thus; these things
    κύριος
    the Lord
    παντοκράτωρ
    Almighty
    θέσθε
    set, put (a command to several people)
    τὰς
    the (accusative feminine plural)
    ὑμῶν
    your (plural)
    εἰς
    toward, upon
    ὁδοὺς
    ways, paths
  5. 5. Ezekiel 28:6 · verse

    διὰ τοῦτο τάδε λέγει κύριος ἐπειδὴ δέδωκας τὴν καρδίαν σου ὡς καρδίαν θεοῦ

    Reading aids (9) for exercise 5

    διὰ τοῦτο
    for this reason
    τάδε
    thus; these things
    κύριος
    the Lord
    ἐπειδὴ
    since, because
    δέδωκας
    you have given (singular; perfect active form)
    τὴν
    the (accusative feminine singular)
    σου
    your (singular)
    ὡς
    as, like
    θεοῦ
    of God
  6. 6. Jeremiah 14:13 · excerpt

    καὶ εἶπα ὦ κύριε ἰδοὺ οἱ προφῆται αὐτῶν προφητεύουσιν καὶ λέγουσιν οὐκ ὄψεσθε μάχαιραν οὐδὲ λιμὸς …

    Reading aids (10) for exercise 6

    εἶπα
    I said
    ὦ κύριε
    O Lord
    ἰδοὺ
    look, behold
    οἱ
    the (masculine plural)
    αὐτῶν
    their
    προφητεύουσιν
    they prophesy
    ὄψεσθε
    you will see (plural; future middle form)
    μάχαιραν
    a sword
    οὐδὲ
    nor; and not
    λιμὸς
    famine
  7. 7. Jeremiah 23:5 · excerpt

    ἰδοὺ ἡμέραι ἔρχονται λέγει κύριος καὶ ἀναστήσω τῷ Δαυιδ ἀνατολὴν δικαίαν …

    Reading aids (7) for exercise 7

    ἰδοὺ
    look, behold
    ἔρχονται
    they come; they are coming
    κύριος
    the Lord
    ἀναστήσω
    I will raise up
    τῷ Δαυιδ
    for David
    ἀνατολὴν
    a shoot, sprout
    δικαίαν
    righteous
  8. 8. Jeremiah 38:33 (English Jeremiah 31:33) · excerpt

    … καὶ ἐπὶ καρδίας αὐτῶν γράψω αὐτούς καὶ ἔσομαι αὐτοῖς εἰς θεόν καὶ αὐτοὶ ἔσονταί μοι εἰς λαόν

    Reading aids (10) for exercise 8

    ἐπὶ
    on, upon
    αὐτῶν
    their
    αὐτούς
    them (the laws mentioned earlier)
    ἔσομαι
    I will be
    αὐτοῖς
    to/for them
    εἰς θεόν
    as God; for a God
    αὐτοὶ
    they
    ἔσονταί
    they will be
    μοι
    to/for me
    εἰς λαόν
    as a people; for a people