Where does “日月” come from?

日月 (Japanese) comes from Japanese 月, from Old Japanese 月, from Proto-Japonic tukuy, from Proto-Japonic tuku.

日月 (Japanese): sun and moon; life, livelihood

Definitions

  1. sun and moon; life, livelihood

Ancestry of “日月”, step by step

日月 traces back through two separate lines of ancestry.

via Japanese 月

StepLanguageWordMeaning
1Japanese月the moon; a natural satellite; moonlight,...
2Old Japanese月the moon; a month; a menstrual cycle,...
3Proto-Japonictukuymoon
4Proto-Japonictuku—

via Japanese 日

StepLanguageWordMeaning
1Japanese日Sunday
2Old Japanese日the sun; sunlight, sunshine; daytime, daylight
3Proto-Japonic*piday, sun

Words derived from “日月”

Every word from Proto-Japonic tuku →Every word from Proto-Japonic tukuy →Every word from Old Japanese 月 →