Word Origin & History
duellate 15c., from M.L. duellum "combat between two persons," by association with L. duo "two," but originally from L. duellum "war," an Old Latin form of bellum. Retained in poetic and archaic language and apparently given a special meaning in M.L. or L.L. of "one-on-one combat" on fancied connection with
EXPANDduo "two." Related: Dueling.
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