Abbott-Smith Manual Greek Lexicon
ἐνεργής (G1756)
3 * ἐνεργής , -ές (late form of ἐνεργός , on wh. cf. AR, Eph. , 241), at work, active, effective : I Co 16:9 , Phm 6 , He 4:12 (Cremer, 261).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain