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 · ἐκραταιοῦτοThe child was growing, and becoming strong in spirit, and was in the desert until the day of his public appearance to Israel.Luke 2:40 · ἐκραταιοῦτοThe child was growing, and was becoming strong in spirit, being filled with wisdom, and the grace of God was upon him.1 Corinthians 16:13 · κραταιοῦσθε.Watch! Stand firm in the faith! Be courageous! Be strong!Ephesians 3:16 · κραταιωθῆναιthat he would grant you, according to the riches of his glory, that you may be strengthened with power through his Spirit in the inward man;