Lexical Definition

‎ἐκνήφω‎ eknḗphō (ek-nay'-fo) to wake up G:V
from ‎ἐκ‎ and ‎νήφω‎

awake.

Usage: 6 forms in 6 verses
Form Translated As     In Verse(s)
ἐκνήψατε do sober up 1Cor.15.34
εξένηψεν sobered up LXX.1Sam.25.37
εξένηψε sobered up LXX.Gen.9.24
εκνήψουσιν shall sober up LXX.Hab.2.7
εκνήψατε Sober up LXX.Joel.1.5
έκνηψον Sober up LXX.Hab.2.19

Abbott-Smith

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.†

Abbott-Smith References

Book Refs
Genesis 9:24
1 Samuel 25:37
Joel 1:5
Habakkuk 2:7 · 2:19
1 Corinthians 15:34

Liddell-Scott-Jones

ἐκνήφω,

future -ψω[LXX]:—sleep off a drunken fit, become sober again, [same place], Hippoloch. cited in [NT+1st c.AD+]: with genitive, recover from, χάρμῃ . τῆς δυσθυμίης [Refs 2nd c.AD+]

__II transitive, carry off, ἀρρώστημα ἐκνήψει ὕπνος [LXX]

LSJ Scripture Refs: LXX.Gen.9.241Cor.15.34