Strong's G2610 · Greek

καταγωνίζομαι

katagonizomai · kat-ag-o-nid'-zom-ahee

from 2596 and 75; to struggle against, i.e. (by implication) to overcome

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 *† κατ-αγωνίζομαι , depon., "perfective" compound (M, Pr. , 116); to struggle against . to conquer , overcome : He 11:33 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain