Where does “تولو” come from?

تولو (Old Anatolian Turkish) comes from Old Anatolian Turkish تو, from Proto-Turkic tǖk — hair; feather; fur.

Ancestry of “تولو”, step by step

StepLanguageWordMeaning
1Old Anatolian Turkishتوhair, a pigmented filament of keratin which grows from a follicle on the skin of humans and other mammals
2Proto-Turkictǖkhair; feather; fur
Every word from Proto-Turkic tǖkEvery word from Old Anatolian Turkish تو