Etymology

fusen

F4U1S1E1N1

Today it means: A sumo match that is cancelled due to the absence of one of the rikishi. Full definition →

Japanese 不戦
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The story

  1. Japanese · borrowed from不戦“not fighting, not competing”
  2. English todayfusen

Borrowed from Japanese 不戦 (fusen, “not fighting, not competing”).

Etymology from Wiktionary, CC BY-SA 4.0.