εἷς
εἷς, μίᾰ, ἕν ( μίη only in late Ion. Prose): gen. ἑνός, μιᾶς, ἑνός:— Ep. ἕεις Hes. Th. 145, AP 7.341 ( Procl.), cj. in Il. 5.603:— Dor. ἧς Rhinth. 12, Tab.Heracl. 1.136:— Ep., Aeol., and Ion. fem. ἴᾰ Il. 13.354, prob. in Hp. Morb. 4.37; acc. ἴαν Alc. 33.6 (prob.), Sapph. 69.1 (cf. μηδεΐα), Corinn. Supp. 2.56, IG 9(2).517.22 (Thess.); gen. ἰῆς Il. 16.173, 24.496; dat. ἰῇ 9.319, 11.174, etc.: neut. dat. ( ἰῷ κίον ἤματι) 6.422. (In Com. οὐδὲ (μηδὲ) εἷς, οὐδὲ (μηδὲ) ἕν, occur, mostly at the end of an iambic trimeter, without elision, Cratin. 302, Ar. Ra. 927, Pl. 37, 138, al.) (Orig. ἕνς, assim. ἔν ( δ) prob. in Leg.Gort. 9.50, from *εμς, I.-Eur. sem- (cf. ὁμός); μία from sm- ία; ἴα is not related to μία, but prob. to pronom. stem i- (Lat. is), cf. ἰός.)