Where does “関節炎” come from?

関節炎 (Japanese) comes from Japanese 炎, from Old Japanese 炎, from Old Japanese 火, from Proto-Japonic poy, from Proto-Japonic po.

関節炎 (Japanese): arthritis

Definitions

  1. arthritis

Ancestry of “関節炎”, step by step

関節炎 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea flame; an intense emotion, passion; -itis,...
2Old Japanesea flame
3Old Japanesea fire; a light
4Proto-Japonicpoyfire
5Proto-Japonicpo

via Japanese 関節

StepLanguageWordMeaning
1Japanese関節joint
Every word from Proto-Japonic po
関節炎 — Etymology, Origin & Word History | Etymology Explorer