1590s (from late 13c. in Latin form), from Medieval Latin duellum "combat between two persons," by association with Latin duo "two," but originally from Latin duellum "war," an Old Latin form of bellum (see bellicose). Retained in poetic and archaic language and apparently given a special meaning in Medieval or Late Latin of "one-on-one combat" on fancied connection with duo "two."
duel (v.)
1640s, see duel (n.). Related: Dueled; dueling; duelling.
例文
1. Feeling were so intense that they fought a duel .
双方の感情は非常に激しく、決闘を行った。
2.The two teams are locked in a duel for first place.
両チームは首位争いに難色を示した。
3.He had killed a man in a duel .
彼は決闘の中で男を殺した。
4.Always，it was a duel in which she was worsted.
それは往々にして2人の間の決闘であり、彼女はいつも負けている。
5.We 'll fight a duel in the park at five o 'clock tomorrow morning.