Probably onomatopoeic. Similar bird names are Lithuanian tetervà (“grey hen”), Proto-Slavic *tetervь (“black grouse”), Proto-Iranian *tatr̥wáh (“pheasant”) and Sanskrit तित्तिर (tittira, “partridge”). From the same onomatopoeic root are τετράων (tetráōn), τέτραξ (tétrax), τατύρας (tatúras), τέταρος (tétaros) and τετράζω (tetrázō).
τέτρῐξ • (tétrix) f (genitive τέτρῐγος); third declension
| Case / # | Singular | Dual | Plural | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominative | ἡ τέτρῐξ hē tétrix |
τὼ τέτρῐγε tṑ tétrige |
αἱ τέτρῐγες hai tétriges | ||||||||||
| Genitive | τῆς τέτρῐγος tês tétrigos |
τοῖν τετρῐ́γοιν toîn tetrígoin |
τῶν τετρῐ́γων tôn tetrígōn | ||||||||||
| Dative | τῇ τέτρῐγῐ têi tétrigi |
τοῖν τετρῐ́γοιν toîn tetrígoin |
ταῖς τέτρῐξῐ / τέτρῐξῐν taîs tétrixi(n) | ||||||||||
| Accusative | τὴν τέτρῐγᾰ tḕn tétriga |
τὼ τέτρῐγε tṑ tétrige |
τᾱ̀ς τέτρῐγᾰς tā̀s tétrigas | ||||||||||
| Vocative | τέτρῐξ tétrix |
τέτρῐγε tétrige |
τέτρῐγες tétriges | ||||||||||
| Notes: |
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