Where does “sürtkü” come from?
sürtkü (Azerbaijani) comes from Azerbaijani sürtmək, from Proto-Turkic sür(-t)- — to rub, smear.
sürtkü (Azerbaijani): smearing, greasing, oiling, lubrication, lubricant
Definitions
- smearing, greasing, oiling, lubrication, lubricant