ability, might, power, strength.

From a derivative of is (force; compare eschon, a form of echo); forcefulness (literally or figuratively) -- ability, might(-ily), power, strength.

see GREEK echo

ισχυι ισχύι ισχύϊ ίσχύϊ ἰσχύι ἰσχύϊ ισχύϊι ισχυν ισχύν ἰσχὺν ισχυος ισχύος ἰσχύος ισχυς ισχύς ἰσχὺς ισχύσεσι ισχύων ischui ischun ischuos ischus ischýi ischýï ischyn ischỳn ischyos ischýos ischys ischỳsInterlinear Greek • Interlinear Hebrew • Strong's Numbers • Englishman's Greek Concordance • Englishman's Hebrew Concordance • Parallel Texts