Where does “يەتتىنچى” come from?

يەتتىنچى (Uyghur) comes from Uyghur يەتتە, from Proto-Turkic yẹt(t)i — seven.

Ancestry of “يەتتىنچى”, step by step

يەتتىنچى traces back through two separate lines of ancestry.

via Uyghur يەتتە

StepLanguageWordMeaning
1Uyghurيەتتەseven
2Proto-Turkicyẹt(t)iseven

via Uyghur ىنچى

StepLanguageWordMeaning
1Uyghurىنچى
Every word from Proto-Turkic yẹt(t)iEvery word from Uyghur يەتتە