ἐνέργεια (enérgeia|en-erg'-i-ah|noun|working)
[Grk] ἐνέργεια LN: 42.3 GK: G1918
Derivation: from ἐνεργής;
Strong's: efficiency ("energy")
KJV: --operation, strong, (effectual) working.
See: ἐνεργής