κραταιόω, -ῶ (late form of κρατύνω; κράτος) [in LXX chiefly for חָזַק ;] to strengthen; pass., to wax strong: Luk.2:40, 1Co.16:13; πνεύματι, Luk.1:80; δυνάμει κ. διὰ τ. πνεύματος, Eph.3:16.† (AS)
STRONG'S WORD STUDY
G2901 — κραταιόω
krataioō · to strengthen · Greek
4 tagged verse occurrences
Luke 1:80 · ἐκραταιοῦτοAnd the child grew, and waxed strong in spirit, and was in the deserts till the day of his shewing unto Israel.Luke 2:40 · ἐκραταιοῦτοAnd the child grew, and waxed strong in spirit, filled with wisdom: and the grace of God was upon him.1 Corinthians 16:13 · κραταιοῦσθε.Watch ye, stand fast in the faith, quit you like men, be strong.Ephesians 3:16 · κραταιωθῆναιThat he would grant you, according to the riches of his glory, to be strengthened with might by his Spirit in the inner man;