出典:Wiktionary
出典:『Wiktionary』 (2026/08/15 23:11 UTC 版)
From bi- (prefix meaning ‘two; both’) + -athlon (suffix meaning ‘contest’), modelled after pentathlon.
biathlon (countable and uncountable, plural biathlons)
Not to be confused with biathle (“an athletic contest consisting of running and swimming”) or duathlon (“an athletic contest consisting of cycling and running”).