What is the term used for a duel among three opponents?

A truel is a neologism for a duel among three opponents, in which players can fire at one another in an attempt to eliminate them while surviving themselves.

Frederick Marryat describes a three-way duel in his novel "Mr. Midshipman Easy", published in 1836. This duel is more of a circular affair, with the first participant aiming only for the second, the second participant aiming only for the third, and the third participant aiming only at the first. A later mention of three-person "duels" is A. P. Herbert's play "Fat King Melon" (1927). The word "truel" was introduced in Martin Shubik's 1964 book "Game Theory and Related Approaches to Social Behavior" and independently in Richard Epstein's 1967 book "Theory of Gambling and Statistical Logic".