Where does “山高帽” come from?

山高帽 (Japanese) comes from Japanese 山, from Japanese 陰, from Middle Chinese 陰.

Ancestry of “山高帽”, step by step

山高帽 traces back through 3 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

StepLanguageWordMeaning
1Japanesemaximum, the limit; high, higher
2Middle Chinese

via Japanese

StepLanguageWordMeaning
1Japanesecap, hat
Every word from Middle Chinese Every word from Japanese Every word from Japanese