Where does “Жұлдызай” come from?

Жұлдызай (Kazakh) comes from Kazakh жұлдыз, from Proto-Turkic yulduŕ, from Proto-Turkic -dïŕ.

Ancestry of “Жұлдызай”, step by step

Жұлдызай traces back through two separate lines of ancestry.

via Kazakh жұлдыз

StepLanguageWordMeaning
1Kazakhжұлдызstar; leading role; month
2Proto-Turkicyulduŕstar
3Proto-Turkic-dïŕ—

via Kazakh ай

StepLanguageWordMeaning
1Kazakhайmoon; month
2Proto-Turkic*āymoon
Every word from Proto-Turkic -dïŕ →Every word from Proto-Turkic yulduŕ →Every word from Kazakh жұлдыз →