See also: τάς, τας, and -τας Ancient Greek Alternative forms τῆς (tês) — Attic, Epic, Ionic Pronunciation IPA(key): /tâːs/ → /tas/ → /tas/ (5th BCE Attic) IPA(key): /tâːs/ (1st CE Egyptian) IPA(key): /tas/ (4th CE Koine) IPA(key): /tas/ (10th CE Byzantine) IPA(key): /tas/ (15th CE Constantinopolitan) IPA(key): /tas/ Article τᾶς • (tâs) (Doric, Aeolic) feminine genitive singular of ὁ (ho)Wikiwand - on Seamless Wikipedia browsing. On steroids.