Where does “日の丸” come from?

日の丸 (Japanese) comes from Japanese の, from Old Japanese の, from Middle Chinese 能 — talent, ability.

日の丸 (Japanese): a circle, usually colored red or gold, shaped...

Definitions

  1. a circle, usually colored red or gold, shaped...

Ancestry of “日の丸”, step by step

日の丸 traces back through 3 separate lines of ancestry.

via Japanese の

StepLanguageWordMeaning
1Japaneseのgenitive case marker; nominative case marker in a...
2Old Japaneseのplain, field
3Middle Chinese能talent, ability

via Japanese 日

StepLanguageWordMeaning
1Japanese日Sunday
2Old Japanese日the sun; sunlight, sunshine; daytime, daylight
3Proto-Japonic*piday, sun

via Japanese 丸

StepLanguageWordMeaning
1Japanese丸"any round object"; money; enclosure inside a...
2Middle Chinese丸—

Words derived from “日の丸”

Every word from Middle Chinese 能 →Every word from Old Japanese の →Every word from Japanese の →
日の丸 — Etymology, Origin & Word History | Etymology Explorer