Where does “火が付く” come from?

火が付く (Japanese) comes from Japanese 火, from Old Japanese 火, from Proto-Japonic poy, from Proto-Japonic po.

火が付く (Japanese): catch fire, be ignited

Definitions

  1. catch fire, be ignited

Ancestry of “火が付く”, step by step

火が付く traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanese"term relating to fire"; a light; a burning...
2Old Japanesea fire; a light
3Proto-Japonicpoyfire
4Proto-Japonicpo

via Japanese 付く

StepLanguageWordMeaning
1Japanese付くattach itself to, stick, stick to, adhere, adhere...
Every word from Proto-Japonic poEvery word from Proto-Japonic poyEvery word from Old Japanese