Where does “Айнұр” come from?

Айнұр (Kazakh) comes from Kazakh ай, from Proto-Turkic *āy — moon.

Ancestry of “Айнұр”, step by step

StepLanguageWordMeaning
1Kazakhайmoon; month
2Proto-Turkic*āymoon
Every word from Proto-Turkic *āy →Every word from Kazakh ай →