ὠκύαλος

A. sea-swift, speeding o'er the sea, epith. of a ship, Il. 15.705, Od. 12.182, 15.473, S. Aj. 710 (lyr.), Mosch. 2.60.

2. later, generally, swift, violent, ῥιπή Opp. H. 2.535, cf. Pi. Parth. 2.19. (It is doubtful whether ‐αλος comes from ἅλς; see opinions of D.H. and Hdn.Gr. ap. Sch.Il. l.c.)