Where does “球体” come from?

球体 (Japanese) comes from Japanese 体, from Middle Chinese 體.

球体 (Japanese): sphere

Definitions

  1. sphere

Ancestry of “球体”, step by step

球体 traces back through two separate lines of ancestry.

via Japanese 体

StepLanguageWordMeaning
1Japanese体In general: the body, e.g. of a human or animal;...
2Middle Chinese體—

via Japanese 球

StepLanguageWordMeaning
1Japanese球sphere, globe, orb; pitch; vacuum tube, valve
2Middle Chinese毬—
Every word from Middle Chinese 體 →Every word from Japanese 体 →