Where does “水道” come from?

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

水道 (Japanese): water service, water supply; channel; aqueduct

Definitions

  1. water service, water supply; channel; aqueduct

Ancestry of “水道”, step by step

水道 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 道

StepLanguageWordMeaning
1Japanese道Tao the way of nature, Taoism
2Middle Chinese道way

Words derived from “水道”

Every word from Proto-Japonic *mentu →Every word from Old Japanese 水 →Every word from Japanese 水 →
水道 — Etymology, Origin & Word History | Etymology Explorer