Where does “外眼筋” come from?

外眼筋 (Japanese) comes from Japanese 外, from Middle Chinese 外.

外眼筋 (Japanese): an extraocular muscle

Definitions

  1. an extraocular muscle

Ancestry of “外眼筋”, step by step

外眼筋 traces back through two separate lines of ancestry.

via Japanese 外

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

via Japanese 眼筋

StepLanguageWordMeaning
1Japanese眼筋an ocular muscle
2Japanese眼visually prominent feature; eye; pupil, eye
Every word from Middle Chinese 外 →Every word from Japanese 外 →