Where does “三角” come from?

三角 (Japanese) comes from Japanese 三, from Middle Chinese さん.

三角 (Japanese): triangle

Definitions

  1. triangle

Ancestry of “三角”, step by step

三角 traces back through two separate lines of ancestry.

via Japanese 三

StepLanguageWordMeaning
1Japanese三three, 3; third; three
2Middle Chineseさん—

via Japanese 角

StepLanguageWordMeaning
1Japanese角A corner; An edge; A street corner
2Middle Chinese角—

Words derived from “三角”

Every word from Middle Chinese さん →Every word from Japanese 三 →