Where does “室内競技” come from?

室内競技 (Japanese) comes from Japanese 室内 — inside a room, indoor.

室内競技 (Japanese): indoor sport

Definitions

  1. indoor sport

Ancestry of “室内競技”, step by step

室内競技 traces back through two separate lines of ancestry.

via Japanese 室内

StepLanguageWordMeaning
1Japanese室内inside a room, indoor

via Japanese 競技

StepLanguageWordMeaning
1Japanese競技type of sport, discipline sports, sports in general
Every word from Japanese 室内