Where does “重水” come from?

重水 (Japanese) comes from Japanese 水, from Old Japanese 水, from Proto-Japonic *mentu — water.

重水 (Japanese): heavy water

Definitions

  1. heavy water

Ancestry of “重水”, step by step

重水 traces back through two separate lines of ancestry.

via Japanese 水

StepLanguageWordMeaning
1Japanese水water; drinking water; a fluid, liquid
2Old Japanese水water
3Proto-Japonic*mentuwater

via Japanese 重

StepLanguageWordMeaning
1Japanese重a division; something that divides two objects;...
2Middle Chinese重—
Every word from Proto-Japonic *mentu →Every word from Old Japanese 水 →Every word from Japanese 水 →