Where does “瞬く” come from?

瞬く (Japanese) comes from Japanese 叩く, from Old Japanese たたく, from Proto-Japonic tataku.

瞬く (Japanese): to twinkle; to flicker; to waver

Definitions

  1. to twinkle; to flicker; to waver

Ancestry of “瞬く”, step by step

瞬く traces back through 3 separate lines of ancestry.

via Japanese 叩く

StepLanguageWordMeaning
1Japanese叩くto hit; to strike; to beat; to paddle; to...
2Old Japaneseたたく—
3Proto-Japonictataku—

via Japanese 目

StepLanguageWordMeaning
1Japanese目an order in biology: smaller than a class, bigger...
2Middle Chinese目—

via Japanese 屡

StepLanguageWordMeaning
1Japanese屡repeatedly
Every word from Proto-Japonic tataku →Every word from Old Japanese たたく →Every word from Japanese 叩く →