Where does “總指伸筋” come from?

總指伸筋 (Japanese) comes from Japanese 総, from Middle Chinese 總.

Ancestry of “總指伸筋”, step by step

總指伸筋 traces back through 3 separate lines of ancestry.

via Japanese 総

StepLanguageWordMeaning
1Japanese総overall
2Middle Chinese總—

via Japanese 指

StepLanguageWordMeaning
1Japanese指a finger

via Japanese 伸筋

StepLanguageWordMeaning
1Japanese伸筋an extensor
Every word from Middle Chinese 總 →Every word from Japanese 総 →