Where does “天動説” come from?

天動説 (Japanese) comes from Japanese 天, from Old Japanese 天, from Proto-Japonic *amay.

天動説 (Japanese): geocentrism

Definitions

  1. geocentrism

Ancestry of “天動説”, step by step

天動説 traces back through 3 separate lines of ancestry.

via Japanese 天

StepLanguageWordMeaning
1Japanese天the sky, the heavens; the area above a kitchen...
2Old Japanese天sky, heavens
3Proto-Japonic*amay—

via Japanese 説

StepLanguageWordMeaning
1Japanese説theory
2Middle Chinese說—

via Japanese 動

StepLanguageWordMeaning
1Japanese動to move; moving
Every word from Proto-Japonic *amay →Every word from Old Japanese 天 →Every word from Japanese 天 →