Where does “Олжобай” come from?

Олжобай (Kyrgyz) comes from Kyrgyz бай, from Proto-Turkic *bāy — rich.

Ancestry of “Олжобай”, step by step

Олжобай traces back through two separate lines of ancestry.

via Kyrgyz бай

StepLanguageWordMeaning
1Kyrgyzбайrich
2Proto-Turkic*bāyrich

via Kyrgyz олжо

StepLanguageWordMeaning
1Kyrgyzолжоprey, booty
Every word from Proto-Turkic *bāyEvery word from Kyrgyz бай