Where does “Çînistan” come from?

Çînistan (Kurdish) comes from Northern Kurdish Çîn, from Proto-Indo-European kʷey- — to pay; to avenge.

Ancestry of “Çînistan”, step by step

StepLanguageWordMeaning
1Northern KurdishÇînlayer, stratum
2Proto-Indo-Europeankʷey-to pay; to avenge
Every word from Proto-Indo-European kʷey- →Every word from Northern Kurdish Çîn →