Where does “Айбар” come from?

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

Ancestry of “Айбар”, step by step

Айбар traces back through two separate lines of ancestry.

via Kazakh ай

StepLanguageWordMeaning
1Kazakhайmoon; month
2Proto-Turkic*āymoon

via Kazakh бар

StepLanguageWordMeaning
1Kazakhбарto go
2Proto-Turkicbārthere is/are, there exist; there is, there are
Every word from Proto-Turkic *āy →Every word from Kazakh ай →