κραταιόω (krataióōkrat-ah-yo'-overbto become strong)
[Grk] κραταιόω, κραταιόομαι LN: 23.134, 76.10 GK: G3194 Hebrew: אָמַץ, גָּבַר, חָזַק, חָפַשׂ, כָּבַשׁ, מָשַׁל, עָזַז, עָצַם, פָּרַר, שָׂגַב, תְּקַן, תְּקֵף
Derivation: from κραταιός;
Strong's: to empower, i.e. (passively) increase in vigor
KJV: --be strengthened, be (wax) strong.
See: κραταιός