αὐΐαχος

1. (from ἀ‐ copul., ἰαχή) joining in a shout, or,

2. (from ἀν‐ or ἀ‐ priv.) noiseless, ἄβρομοι αὐΐαχοι Il. 13.41, cf. Q.S. 13.70:—ἀνίαχοι is v.l. in Il.l.c. and read by codd. in Q.S.l.c., cf. Hsch.