δυάς

Ancient Greek

Derived from δύο (dúo) +‎ -ᾰ́ς (-ắs); compare τριάς (triás), τετράς (tetrás), δεκάς (dekás), χιλιάς (khiliás), μυριάς (muriás).

δῠᾰ́ς • (dŭắs) f (genitive δῠᾰ́δος); third declension

Case / #	Singular	Dual	Plural
Nominative	ἡ δῠᾰ́ς hē dŭắs	τὼ δῠᾰ́δε tṑ dŭắde	αἱ δῠᾰ́δες hai dŭắdes
Genitive	τῆς δῠᾰ́δος tês dŭắdos	τοῖν δῠᾰ́δοιν toîn dŭắdoin	τῶν δῠᾰ́δων tôn dŭắdōn
Dative	τῇ δῠᾰ́δῐ têi dŭắdĭ	τοῖν δῠᾰ́δοιν toîn dŭắdoin	ταῖς δῠᾰ́σῐ / δῠᾰ́σῐν taîs dŭắsĭ(n)
Accusative	τὴν δῠᾰ́δᾰ tḕn dŭắdă	τὼ δῠᾰ́δε tṑ dŭắde	τᾱ̀ς δῠᾰ́δᾰς tā̀s dŭắdăs
Vocative	δῠᾰ́ς dŭắs	δῠᾰ́δε dŭắde	δῠᾰ́δες dŭắdes
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension. Nominative singular -ς (-s) arose by reduction of the original cluster *-ds.

“δυάς”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
“δυάς”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
δυάς in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
δυάς in the Diccionario Griego–Español en línea (2006–2025)
Woodhouse, S. C. (1910) English–Greek Dictionary: A Vocabulary of the Attic Language‎, London: Routledge & Kegan Paul Limited.
- figure idem, page 319.
- two idem, page 904.