Where does “Зәйтүнә” come from?

Зәйтүнә (Bashkir) comes from Arabic زيتون, from Arabic زَيْتُون — Zayton; olive; olive.

Ancestry of “Зәйтүнә”, step by step

Step	Language	Word	Meaning
1	Arabic	زيتون	olive
2	Arabic	زَيْتُون	Zayton; olive; olive

Зәйтүнә — Etymology, Origin & Word History | Etymology Explorer