Where does “阿其克” come from?

阿其克 (Chinese) comes from Uyghur ئاچچىق, from Proto-Turkic *āčïg — bitter, acid.

Ancestry of “阿其克”, step by step

StepLanguageWordMeaning
1Uyghurئاچچىقbitter
2Proto-Turkic*āčïgbitter, acid
Every word from Proto-Turkic *āčïgEvery word from Uyghur ئاچچىق