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Noun · Grammar concept

Noun: 3rd Declension -υς

3rd Declension -υς is a noun topic in Koine (biblical) Greek. This page gathers its forms, paradigms, and function, drawn from the lessons of Reading Greek Deeply.

Noun1 lesson3 paradigms

MorphologyNoun – 3rd Declension -υς

  • The final υ in -υς nouns never contracts, even if the ending begins with a vowel
  • The acc sg attaches a ν, rather than the more common α ending
  • The dat sg has a diaeresis over the ι to show that the υ and ι have not contracted into a diphthong, but are pronounced as separate vowel sounds
Morphology: Noun – 3rd Declension -υς
SingularPlural
Nominativeἰχθύ-ςἰχθύ-ες
Genitiveἰχθύ-οςἰχθύ-ων
Dativeἰχθύ-ϊἰχθύ-σι(ν)
Accusativeἰχθύ-νἰχθύ-ας
Vocativeἰχθύἰχθύ-ες

fromLesson 40.2

SyntaxNoun – Genitive (6 – Eventuality participants)

Some nouns refer to eventualities. A genitive following such an eventuality-referring noun may refer to a participant in that eventuality. When this is the case, the genitive is interpreted in the same way as a subject or object in the verb that relates to the eventuality-noun. The verb ἀποκάλυπτω and the corresponding noun ἀποκάλυψις demonstrate this:

  • (392) ἀποκαλύπτω with thing revealed as direct object
  • ἀποκαλύψαι τὸν υἱὸν αὐτοῦ ἐν ἐμοί
  • (Gal 1:16)

fromLesson 40.2

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New Testament text shown on hover: Greek from the SBLGNT, © 2010 Society of Biblical Literature and Logos Bible Software, CC BY 4.0; English from the Berean Standard Bible (public domain).