ἐξισχύω [ῡ ],
I have strength enough, be able, ὥστε ποιεῖν Str. 17.1.3: c. inf. only, LXX Si. 7.6, [Eph 3:18], J. BJ 1.23.2; ἐξίσχυσεν τὰ βιβλείδια ἀθετηθῆναι procured the rejection of the petition, POxy. 1120.7 (iii A. D.): abs., prevail, Str. 16.1.15, Jul. Or. 5.160c; ἐξισχῦσαι καὶ κρατῆσαι τῶν πολλῶν Plu. 2.801e.
II c. gen., τὸ δαιμόνιον παίδων ἐξισχῦον fate prevailing over the children, Ael. VH 6.13, cf. Steph. in Hp. 1.71D.
III Med., of flames, gather force, Thphr. Ign. 71.
G1840 — 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.)