Where does “བསྟན་དར” come from?

བསྟན་དར (Tibetan) comes from Tibetan དར, from Mongolian торго, from Proto-Mongolic torga, from Proto-Turkic torko — silk fabric.

Ancestry of “བསྟན་དར”, step by step

བསྟན་དར traces back through two separate lines of ancestry.

via Tibetan དར

StepLanguageWordMeaning
1Tibetanདརsilk; banner or sash, especially a silken one
2Mongolianторгоsilk; silk-like, soft and thin; fine, delicate
3Proto-Mongolictorga
4Proto-Turkictorkosilk fabric

via Tibetan བསྟན

StepLanguageWordMeaning
1Tibetanབསྟནpast of སྟོན; future of སྟོན; teaching
Every word from Proto-Turkic torkoEvery word from Proto-Mongolic torgaEvery word from Mongolian торго
བསྟན་དར — Etymology, Origin & Word History | Etymology Explorer