Where does “来週” come from?

来週 (Japanese) comes from Japanese 来, from Middle Chinese 來.

来週 (Japanese): next week

Definitions

  1. next week

Ancestry of “来週”, step by step

来週 traces back through 3 separate lines of ancestry.

via Japanese 来

StepLanguageWordMeaning
1Japanese来next, coming; since, in; to approach one's...
2Middle Chinese來—

via Japanese 週

StepLanguageWordMeaning
1Japanese週a week
2Middle Chinese周—

via Japanese coming]]..., [[next]]...

StepLanguageWordMeaning
1Japanesecoming]]..., [[next]]...—
Every word from Middle Chinese 來 →Every word from Japanese 来 →