Where does “外転” come from?

外転 (Japanese) comes from Japanese 外, from Middle Chinese 外.

外転 (Japanese): abduction

Definitions

  1. abduction

Ancestry of “外転”, step by step

外転 traces back through two separate lines of ancestry.

via Japanese 外

StepLanguageWordMeaning
1Japanese外(the) outside
2Middle Chinese外—

via Japanese 転

StepLanguageWordMeaning
1Japanese転rolling; to turn
2Middle Chinese轉—
Every word from Middle Chinese 外 →Every word from Japanese 外 →