Where does “闇夜” come from?

闇夜 (Japanese) comes from Japanese 夜, from Old Japanese よる, from Proto-Japonic yoru, from Proto-Japonic yo — night.

闇夜 (Japanese): a dark night, a night with no moon

Definitions

  1. a dark night, a night with no moon

Ancestry of “闇夜”, step by step

闇夜 traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesenight, evening
2Old Japaneseよる
3Proto-Japonicyorunight
4Proto-Japonicyonight

via Japanese

StepLanguageWordMeaning
1Japanesethe dark, darkness; darkness, the dark; a dark...
2Middle Chinese

via Japanese

StepLanguageWordMeaning
1Japanesedarkness
2Japanese暮れるget dark, for night to fall; for the season to...
Every word from Proto-Japonic yoEvery word from Proto-Japonic yoruEvery word from Old Japanese よる