Where does “大円” come from?

大円 (Japanese) comes from Japanese 大, from Old Japanese 大, from Proto-Japonic əpə — big, large; many.

大円 (Japanese): a great circle

Definitions

  1. a great circle

Ancestry of “大円”, step by step

大円 traces back through two separate lines of ancestry.

via Japanese 大

StepLanguageWordMeaning
1Japanese大big, large; the large part of; arch-
2Old Japanese大big, large; large
3Proto-Japonicəpəbig, large; many

via Japanese 円

StepLanguageWordMeaning
1Japanese円a round or circular object; a circle; roundness;...
2Chinese圓circular, round; yuan, yen, dollar; round
Every word from Proto-Japonic əpə →Every word from Old Japanese 大 →Every word from Japanese 大 →