Where does “Арқалық” come from?

Арқалық (Kazakh) comes from Kazakh арқа, from Proto-Turkic *arka — back.

Ancestry of “Арқалық”, step by step

StepLanguageWordMeaning
1Kazakhарқаback
2Proto-Turkic*arkaback
Every word from Proto-Turkic *arka →Every word from Kazakh арқа →