ἰός

A. one, commonest in fem. (v. εἷς): neut. ἰῷ κίον ἤματι Il. 6.422: masc. dat. ἰῷ, = ἐκείνῳ, Leg.Gort. 8.8; but, = ἑνί, ib.7.23; acc., τόν γ’ ἰὸν ἐνιαυτόν the same year, IG 5(1).1390.126 (Andania, i B.C.); ἰός, = μόνος, acc. to Trypho ap.A.D. Pron. 56.4.