Where does “余波” come from?

余波 (Japanese) comes from Japanese 波, from Middle Chinese 波.

余波 (Japanese): aftermath; after-effect

Definitions

  1. aftermath; after-effect

Ancestry of “余波”, step by step

余波 traces back through two separate lines of ancestry.

via Japanese 波

StepLanguageWordMeaning
1Japanese波wave
2Middle Chinese波—

via Japanese 残り

StepLanguageWordMeaning
1Japanese残りremainder, rest, leftover, residue
2Japanese残るremain, be left
Every word from Middle Chinese 波 →Every word from Japanese 波 →
余波 — Etymology, Origin & Word History | Etymology Explorer