Where does “離散数学” come from?

離散数学 (Japanese) comes from Japanese 数学, from Japanese 数, from Middle Chinese 數, from Old Chinese 數.

離散数学 (Japanese): discrete mathematics

Definitions

  1. discrete mathematics

Ancestry of “離散数学”, step by step

離散数学 traces back through two separate lines of ancestry.

via Japanese 数学

StepLanguageWordMeaning
1Japanese数学mathematics
2Japanese数number; amount; number; several
3Middle Chinese數—
4Old Chinese數—

via Japanese 離散

StepLanguageWordMeaning
1Japanese離散dispersion
Every word from Old Chinese 數 →Every word from Middle Chinese 數 →Every word from Japanese 数 →