ἠώς aeolic ἄυως, i. e. ἄϝως, not αὔως
I.the morning red, daybreak, dawn, Hom., Hdt., etc.:— morning as a time of day, opp. to μέσον ἦμαρ and δείλη, Il.; gen. ἠοῦς at morn, early, id=Il.; ἠῶ the morning long, Od.:— ἐξ ἠοῦς μέχρι δείλης ὀψίης Hdt.:— ἅμα ἠοῖ at daybreak, id=Hdt.; ἅμ᾽ ἕῳ or ἅμα τῇ ἕῳ Thuc.; epic ἠῶθι πρό Hom.; ἐς ἀῶ to-morrow, Theocr.
2.since the Greeks counted their days by mornings, ἠώς often denoted a day, Hom.
III.as prop. n. Ἠώς, Aurora, the goddess of morn, who rises out of her ocean-bed, Il., Eur.