Where does “灯油” come from?

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

灯油 (Japanese): an oil used to light a lamp; kerosene

Definitions

  1. an oil used to light a lamp; kerosene

Ancestry of “灯油”, step by step

灯油 traces back through two separate lines of ancestry.

via Japanese 灯

StepLanguageWordMeaning
1Japanese灯a light, lamp; electric light; a light
2Japanese火"term relating to fire"; a light; a burning...
3Old Japanese火a fire; a light
4Proto-Japonicpoyfire
5Proto-Japonicpo—

via Japanese 油

StepLanguageWordMeaning
1Japanese油fuel; oil
Every word from Proto-Japonic po →Every word from Proto-Japonic poy →Every word from Old Japanese 火 →