Where does “大幅” come from?

大幅 (Japanese) comes from Japanese 大, from Old Japanese 大, from Proto-Japonic əpə — big, large; many.

大幅 (Japanese): wide, broad; large scale, drastic, major,...

Definitions

  1. wide, broad; large scale, drastic, major,...

Ancestry of “大幅”, step by step

大幅 traces back through two separate lines of ancestry.

via Japanese 大

StepLanguageWordMeaning
1Japanese大big, large; the large part of; arch-
2Old Japanese大big, large; large
3Proto-Japonicəpəbig, large; many

via Japanese 幅

StepLanguageWordMeaning
1Japanese幅width, breadth; free room; difference
2Middle Chinese幅—
Every word from Proto-Japonic əpə →Every word from Old Japanese 大 →Every word from Japanese 大 →