Where does “生年月日” come from?

生年月日 (Japanese) comes from Japanese 月, from Old Japanese 月, from Proto-Japonic tukuy, from Proto-Japonic tuku.

生年月日 (Japanese): date of birth

Definitions

  1. date of birth

Ancestry of “生年月日”, step by step

生年月日 traces back through 3 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 年

StepLanguageWordMeaning
1Japanese年a year; a grade, a school year; grain,...
2Middle Chinese年—
3Middle Chinese代—

via Japanese 日

StepLanguageWordMeaning
1Japanese日Sunday
2Old Japanese日the sun; sunlight, sunshine; daytime, daylight
3Proto-Japonic*piday, sun
Every word from Proto-Japonic tuku →Every word from Proto-Japonic tukuy →Every word from Old Japanese 月 →