sleep, pass the night, Ζηνὸς . . ἐν ἀγκοίνῃσιν ἰαύεις Il. 14.213, cf. Od. 11.261; ἀΰπνους νύκτας ἴαυον Il. 9.325, Od. 19.340; of beasts, ἔνθα δὲ πολλὰ μῆλʼ . . ἰαύεσκον 9.184; ἄρσενες ἐκτὸς ἴαυον 14.16; δεμνίοις δύστανος ἰαύων E. Ph. 1537 (lyr.): c. acc. cogn., ἐννυχίαν τέρψιν ἰαύειν enjoy the nightʼs sleep, S. Aj. 1204 (lyr.); ὑπασπίδιον κοῖτον ἰαύειν, of a soldier sleeping under arms, E. Rh. 740 (anap.); ὕπνον Theoc. 3.49, Call. l.c.
c. acc. et gen., cause to rest from, Lyc. 101. (Prob. redupl. form of αὔω (C), cf. ἀέσκω, αὐλή.)