Abbott-Smith Manual Greek Lexicon
ἐνεός (G1769)
1 (KJV) ἐνεός (Rec. ἐνν- ), -οῦ, ὁ [in LXX: Is 56:10 ( אִלֵּם ), Ep. Je 41 ; ἐ. ποιεῖν , Pr 17:28 * ;] dumb, speechless : Ac 9:7 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain