Strong's Concordance

Original word: ἐξισχύω
Transliteration: exischuó
Definition (short): able
Definition (full): to have strength enough

NAS Exhaustive Concordance

Word Origin: from ek and ischuó
Definition: to have strength enough
NASB Translation: able (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From ek and ischuo; to have full strength, i.e. Be entirely competent -- be able.

see GREEK ek

see GREEK ischuo

KJV: May be able to comprehend with all saints what is the breadth, and length, and depth, and height;
NASB: may be able to comprehend with all the saints what is the breadth and length and height and depth,