Abbott-Smith Manual Greek Lexicon
ἐν-ισχύω (G1765)
2 ἐν-ισχύω [in LXX for חָזַק , etc. ;] to strengthen : in spiritual sense, Lk 22 [43] ; pass., Ac 9:19 (Rec. ἐνισχύσεν , became strong , as in LXX, Ge 12:10 48:2 , al.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain