noun
farewell performance; retirement show
Used for a final performance or event held when a performer, athlete, or public figure retires. Often associated with sumo, professional wrestling, or entertainment.
大横綱の引退興行には多くのファンが詰めかけた。
Many fans flocked to the grand yokozuna's retirement ceremony.
引退試合 specifically refers to a retirement match or game, while 引退興行 is a broader term for a retirement event or show, which may include multiple performances or ceremonies.
Compound of 引退 (retirement) and 興行 (performance, show). The exact historical derivation is uncertain, but the term is conventionally used for retirement events in sports and entertainment.