köken: Borrowed from French pensionnaire. Omitting several steps, from Latin pēnsiō (whence пе́нсия (pénsija)) + Latin -arius. Further from Latin pendō.
aile: предпенсионе́р
Etimoloji
From Ottoman Turkish متقاعد (mütekaıd, “retiree”), from Arabic مُتَقَاعِد (mutaqāʕid).