Where does “Ақсу” come from?

Ақсу (Kazakh) comes from Kazakh ақ, from Proto-Turkic Āk — white.

Ancestry of “Ақсу”, step by step

Ақсу traces back through two separate lines of ancestry.

via Kazakh ақ

StepLanguageWordMeaning
1Kazakhақwhite; clean, pure, saintly; pertaining to...
2Proto-TurkicĀkwhite

via Kazakh су

StepLanguageWordMeaning
1Kazakhсуwater
2Proto-Turkicsubwater
Every word from Proto-Turkic Āk →Every word from Kazakh ақ →