Where does “蛍火” come from?

蛍火 (Japanese) comes from Japanese 火, from Old Japanese 火, from Proto-Japonic poy, from Proto-Japonic po.

蛍火 (Japanese): the light of a firefly; small embers

Definitions

  1. the light of a firefly; small embers

Ancestry of “蛍火”, step by step

蛍火 traces back through 3 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 蛍

StepLanguageWordMeaning
1Japanese蛍a firefly
2Middle Chinese螢—

via Middle Chinese 熒火

StepLanguageWordMeaning
1Middle Chinese熒火—
Every word from Proto-Japonic po →Every word from Proto-Japonic poy →Every word from Old Japanese 火 →