Where does “İkizdere” come from?

İkizdere (Turkish) comes from Turkish ikiz, from Ottoman Turkish ایكیز, from Proto-Turkic *ẹk(k)iŕ, from Proto-Turkic ẹk(k)i — two.

Ancestry of “İkizdere”, step by step

İkizdere traces back through two separate lines of ancestry.

via Turkish ikiz

StepLanguageWordMeaning
1Turkishikiztwin
2Ottoman Turkishایكیزtwin, either of two people who shared the same uterus at the same time
3Proto-Turkic*ẹk(k)iŕtwin
4Proto-Turkicẹk(k)itwo

via Turkish dere

StepLanguageWordMeaning
1Turkishderevalley
2Ottoman Turkishدرهvalley
3Arabicدُرَّة—
Every word from Proto-Turkic ẹk(k)i →Every word from Proto-Turkic *ẹk(k)iŕ →Every word from Ottoman Turkish ایكیز →