Where does “خطای” come from?

خطای (Chagatai) comes from Karakhanid خِتایْ, from Old Uyghur 𐽲𐽶𐾀𐽰𐽶, from Old Turkic 𐰶𐰃𐱃𐰪, from Khitan 𘱿𘲫.

Ancestry of “خطای”, step by step

StepLanguageWordMeaning
1Karakhanidخِتایْ—
2Old Uyghur𐽲𐽶𐾀𐽰𐽶—
3Old Turkic𐰶𐰃𐱃𐰪Khitans
4Khitan𘱿𘲫—
Every word from Khitan 𘱿𘲫 →Every word from Old Turkic 𐰶𐰃𐱃𐰪 →Every word from Old Uyghur 𐽲𐽶𐾀𐽰𐽶 →