Where does “四球” come from?

四球 (Japanese) comes from Japanese 四, from Middle Chinese 四, from Proto-Sino-Tibetan *pV-lij — four.

四球 (Japanese): a walk

Definitions

  1. a walk

Ancestry of “四球”, step by step

四球 traces back through two separate lines of ancestry.

via Japanese 四

StepLanguageWordMeaning
1Japanese四four, 4; the fourth
2Middle Chinese四—
3Proto-Sino-Tibetan*pV-lijfour

via Japanese 球

StepLanguageWordMeaning
1Japanese球sphere, globe, orb; pitch; vacuum tube, valve
2Middle Chinese毬—
Every word from Proto-Sino-Tibetan *pV-lij →Every word from Middle Chinese 四 →Every word from Japanese 四 →