From chazaq; help -- strength.
see HEBREW chazaq
H2391. chezeq
[חֵ֫זֶק] noun [masculine] strength, only ׳י חִזְקִי Psalm 18:2 (omitted by error "" 2 Samuel 22:2 where ᵐ5L ἰσχύς μου). (De and others derive from חֹזֶק, but [חֶזְקָה] favours חֵזֶק).