Where does “側頭線” come from?

側頭線 (Japanese) comes from Japanese 側頭, from Japanese 側, from Middle Chinese 側.

側頭線 (Japanese): a temporal line

Definitions

  1. a temporal line

Ancestry of “側頭線”, step by step

側頭線 traces back through two separate lines of ancestry.

via Japanese 側頭

StepLanguageWordMeaning
1Japanese側頭—
2Japanese側side; vicinity, near, beside; vicinity
3Middle Chinese側—

via Japanese 線

StepLanguageWordMeaning
1Japanese線line; level; beam
Every word from Middle Chinese 側 →Every word from Japanese 側 →Every word from Japanese 側頭 →