Where does “大晦” come from?

大晦 (Japanese) comes from Chinese 晦, from Japanese 月隠り, from Japanese 月, from Old Japanese 月, from Proto-Japonic tukuy, from Proto-Japonic tuku.

大晦 (Japanese): the last day of the year, New Year's Eve

Definitions

  1. the last day of the year, New Year's Eve

Ancestry of “大晦”, step by step

大晦 traces back through two separate lines of ancestry.

via Chinese 晦

StepLanguageWordMeaning
1Chinese晦—
2Japanese月隠りthe last day of a (lunar) month
3Japanese月the moon; a natural satellite; moonlight,...
4Old Japanese月the moon; a month; a menstrual cycle,...
5Proto-Japonictukuymoon
6Proto-Japonictuku—

via Japanese 大

StepLanguageWordMeaning
1Japanese大big, large; the large part of; arch-
2Old Japanese大big, large; large
3Proto-Japonicəpəbig, large; many
Every word from Proto-Japonic tuku →Every word from Proto-Japonic tukuy →Every word from Old Japanese 月 →