ἀβακής

ές, Adv.

βάζω

A. speechless: hence, calm, gentle, ἀβάκην (Aeol. acc.) τὰν φρέν’ ἔχω Sapph. 72. Adv. ‐κέως, εὕδοντι Poet. ap. EM 2.57:—also ἀβακήμων Hsch., ἄβαξ Lex.Rhet.ap.Eust. 1494.64.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project