Where does “булгийн ус” come from?

булгийн ус (Mongolian) comes from Mongolian ус, from Proto-Mongolic usun, from Proto-Mongolic -sun — Noun-forming suffix.

булгийн ус (Mongolian): springwater, spring water

Definitions

  1. springwater, spring water

Ancestry of “булгийн ус”, step by step

булгийн ус traces back through two separate lines of ancestry.

via Mongolian ус

StepLanguageWordMeaning
1Mongolianусwater
2Proto-Mongolicusunwater
3Proto-Mongolic-sunNoun-forming suffix

via Mongolian булаг

StepLanguageWordMeaning
1Mongolianбулагspring, origin, source
Every word from Proto-Mongolic -sun →Every word from Proto-Mongolic usun →Every word from Mongolian ус →