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 火

StepLanguageWordMeaning
1Japanese火"term relating to fire"; a light; a burning...
2Old Japanese火a 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 po →Every word from Proto-Japonic poy →Every word from Old Japanese 火 →