ἀκρᾱής · akraēs — LSJ
blowing strongly, brisk breeze, with fresh breeze
blowing strongly, of winds, Od. 2.421, 14.253, Hes. Op. 594; si ἀκραὲς erit if a brisk breeze spring up, Cic. Att. 10.17.9. Adv. ἀκραεί, πλεῖν sail with fresh breeze, Arr. Ind. 24.1.