Extended Strong's Greek Lexicon (Abbott-Smith based)
power
Usage: κράτος, -εος (-ους), τό [in LXX chiefly for עֹז, Job.12:16, Psa.90:11 al. ;] __1. strength, esp. as in Hom., of bodily strength. __2. power, might: Heb.2:14; τὸ κ. τῆς ἰσχύος αὐτοῦ, Eph.1:19 6:10 (Isa.40:26, Da TH Dan.4:27); τ. δόςης αὐτοῦ, Col.1:11; κατὰ κράτος, mightily, Act.19:20; a mighty deed, an act of power, Luk.1:51; in doxologies, 1Ti.6:16, 1Pe.4:11 5:11, Ju 25, Rev.1:6 5:13.† (AS)