Where does “sürtkü yağı” come from?

sürtkü yağı (Azerbaijani) comes from Azerbaijani sürtkü, from Azerbaijani sürtmək, from Proto-Turkic sür(-t)- — to rub, smear.

sürtkü yağı (Azerbaijani): lubricating oil

Definitions

  1. lubricating oil

Ancestry of “sürtkü yağı”, step by step

sürtkü yağı traces back through two separate lines of ancestry.

via Azerbaijani sürtkü

StepLanguageWordMeaning
1Azerbaijanisürtküsmearing, greasing, oiling, lubrication, lubricant
2Azerbaijanisürtməkto rub
3Proto-Turkicsür(-t)-to rub, smear

via Proto-Turkic yag-

StepLanguageWordMeaning
1Proto-Turkicyag-to rain
Every word from Proto-Turkic sür(-t)- →Every word from Azerbaijani sürtmək →Every word from Azerbaijani sürtkü →