Where does “Kumyß” come from?

Kumyß (German) comes from Russian кумы́с, from Proto-Turkic *kumïŕ.

Ancestry of “Kumyß”, step by step

StepLanguageWordMeaning
1Russianкумы́сkoumiss
2Proto-Turkic*kumïŕ—
Every word from Proto-Turkic *kumïŕ →Every word from Russian кумы́с →