Where does “གྲུ་གསུམ” come from?

གྲུ་གསུམ (Tibetan) comes from Tibetan གསུམ, from Proto-Sino-Tibetan *kV-sum — three.

གྲུ་གསུམ (Tibetan): triangle

Definitions

  1. triangle

Ancestry of “གྲུ་གསུམ”, step by step

གྲུ་གསུམ traces back through two separate lines of ancestry.

via Tibetan གསུམ

StepLanguageWordMeaning
1Tibetanགསུམthree
2Proto-Sino-Tibetan*kV-sumthree

via Tibetan གྲུ

StepLanguageWordMeaning
1Tibetanགྲུboat, ship; angle, corner
2Proto-Sino-Tibetans-g(r)uelbow; cubit
Every word from Proto-Sino-Tibetan *kV-sum →Every word from Tibetan གསུམ →