Where does “དྲུག་ཡུལ” come from?

དྲུག་ཡུལ (Kurtop) comes from Tibetan དྲུག, from Proto-Sino-Tibetan d-k-ruk — six.

Ancestry of “དྲུག་ཡུལ”, step by step

དྲུག་ཡུལ traces back through two separate lines of ancestry.

via Tibetan དྲུག

StepLanguageWordMeaning
1Tibetanདྲུགsix
2Proto-Sino-Tibetand-k-ruksix

via Kurtop ཡུལ

StepLanguageWordMeaning
1Kurtopཡུལ—
Every word from Proto-Sino-Tibetan d-k-ruk →Every word from Tibetan དྲུག →