σθενόω G4599
sthenóō · sthen-o'-o · Verb
from (bodily vigor; probably akin to the base of ἵστημι); to strengthen, i.e. (figuratively) confirm (in spiritual knowledge and power):--strengthen.
1 Occurrence in the King James Bible
1 Peter 5:10But the God of all grace, who hath called us unto his eternal glory by Christ Jesus, after that ye have suffered a while, make you perfect, stablish, strengthen, settle you.