Lexical Definition

‎ἐξισχύω‎ exischýō (ex-is-khoo'-o) to have power G:V
from ‎ἐκ‎ and ‎ἰσχύω‎

be able.

Usage: 1 form in 1 verse
Form Translated As     In Verse(s)
ἐξισχύσητε you may be fully able Eph.3.18

Abbott-Smith

**† ἐξ-ισχύω [in LXX: Si 7:6 * ;]
to have strength enough, to be quite able: c. inf., Eph 3:18.†

Abbott-Smith References

Book Refs
Ephesians 3:18

Liddell-Scott-Jones

ἐξισχύω [],

have strength enough, be able, ὥστε ποιεῖν [Refs 1st c.BC+]: with infinitive only, [LXX+NT+1st c.AD+]; ἐξίσχυσεν τὰ βιβλείδια ἀθετηθῆναι procured the rejection of the petition, [Refs 3rd c.AD+]: absolutely, prevail, [Refs 1st c.BC+]

__II with genitive, τὸ δαιμόνιον παίδων ἐξισχῦον fate prevailing over the children, [Refs 2nd c.AD+]
__III middle, of flames, gather force, [Refs 4th c.BC+]

LSJ Scripture Refs: Eph.3.18