Where does “тос” come from?

тос (Northern Altai) comes from Proto-Turkic töŕ — foundation, root; origin, ancestors.

тос (Northern Altai): birchbark

Definitions

  1. birchbark

Ancestry of “тос”, step by step

StepLanguageWordMeaning
1Proto-Turkictöŕfoundation, root; origin, ancestors
Every word from Proto-Turkic töŕ