Dictionary entry

ἐκνήφω

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

ἐκ-νήφω

[in LXX: Ge 9:24, Hb 2:7 (יָקַץ), Jl 1:5, Hb 2:19 (קַיץ hi.), I Ki 25:37 (יָצָא), Si 34 (31)2*;]

to become sober after drunkenness: metaph., of sobriety of mind, I Co 15:34.†