Where does “重力波” come from?

重力波 (Japanese) comes from Japanese 波, from Middle Chinese 波.

重力波 (Japanese): gravitational wave

Definitions

  1. gravitational wave

Ancestry of “重力波”, step by step

重力波 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesewave
2Middle Chinese

via Japanese 重力

StepLanguageWordMeaning
1Japanese重力gravity, gravitational force; considerable...
2Middle Chinese重力
Every word from Middle Chinese Every word from Japanese