G1840
ἐξισχύω
to have power
ἐξ-ισχύω [in LXX: Sir.7:6 * ;] to have strength enough, to be quite able: with inf., Eph.3:18.† (AS)
The KJV translates G1840 in the following manner:
able (2x)
Full Thayer's lexicon entry
ἐξισχύω — exischýō
ἐξισχύω: 1 aorist subjunctive 2 person plural ἐξισχύσητε, to be eminently able, to have full strength (cf. ἐκ, VI. 6) followed by an infinitive Eph 3:18. (Sir 7:6; rare in Greek writings, as Dioscor., Strabo, Plutarch.)
1 occurrence