Dictionary entry

μηδαμῶς

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

μηδαμῶς

(= μηδαμῆ, -δαμά, adv. fr. μηδαμός = μηδείς), [in LXX chiefly for הָלִלָה, הָלילָה;]

by no means, not at all. μ., Κύριε (sc. τοῦτο γένοιτο), Ac 10:1411:8.†