Where does “山括弧” come from?

山括弧 (Japanese) comes from Japanese 山, from Japanese 陰, from Middle Chinese 陰.

山括弧 (Japanese): an angle bracket

Definitions

  1. an angle bracket

Ancestry of “山括弧”, step by step

山括弧 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea mountain or hill; a mine; a heap, pile
2Japaneseshadow, shade; hidden side; yin
3Middle Chinese

via Japanese 括弧

StepLanguageWordMeaning
1Japanese括弧a parenthesis; a bracket either of a pair of brackets
Every word from Middle Chinese Every word from Japanese Every word from Japanese
山括弧 — Etymology, Origin & Word History | Etymology Explorer