/ ˈvæŋkwɪʃ; NAmE / verb
[ vn ] ( literary ) to defeat sb completely in a competition, war, etc.
SYN conquer
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WORD ORIGIN
Middle English : from Old French vencus , venquis (past participle and past tense of veintre ), vainquiss- (lengthened stem of vainquir ), from Latin vincere conquer.