Where does “Китай” come from?

Китай (Yakut) comes from Russian Кита́й, from Old East Slavic Китаи, from Old Turkic 𐰶𐰃𐱃𐰪, from Khitan 𘱿𘲫.

Ancestry of “Китай”, step by step

StepLanguageWordMeaning
1RussianКита́йChina
2Old East SlavicКитаиQara Khitai people
3Old Turkic𐰶𐰃𐱃𐰪Khitans
4Khitan𘱿𘲫—
Every word from Khitan 𘱿𘲫 →Every word from Old Turkic 𐰶𐰃𐱃𐰪 →Every word from Old East Slavic Китаи →