Where does “地球中心説” come from?

地球中心説 (Japanese) comes from Japanese 中心, from Japanese 心, from Old Japanese 心, from Proto-Japonic *kəkərə — heart.

Ancestry of “地球中心説”, step by step

地球中心説 traces back through 3 separate lines of ancestry.

via Japanese 中心

StepLanguageWordMeaning
1Japanese中心center, middle, heart, core; center, hub; crux,...
2Japanese心mind, heart, spirit, soul; thoughts, ideas;...
3Old Japanese心heart, mind, spirit; emotion, feeling; heart,...
4Proto-Japonic*kəkərəheart

via Japanese 地球

StepLanguageWordMeaning
1Japanese地球globe; Earth
2Chinese地球the Earth

via Japanese 説

StepLanguageWordMeaning
1Japanese説theory
2Middle Chinese說—
Every word from Proto-Japonic *kəkərə →