тур (Serbo-Croatian) comes from Ottoman Turkish اوتورمق, from Old Anatolian Turkish otur-, from Proto-Turkic oltur-, from Proto-Turkic ol- — to be, become; to ripe.
тур (Serbo-Croatian): aurochs, urus; buttocks
Definitions
aurochs, urus; buttocks
Ancestry of “тур”, step by step
тур traces back through two separate lines of ancestry.