This is the 13441st most frequent Turkish word.
kontrolünü
"Kontrolünü" translates to "its control" or "the control of it" in English.
The word "kontrolünü" refers to "control," in the sense of managing or steering something, here specifically a car.
Arabasının kontrolünü kaybetti.
He lost control of his car.
Here, "kontrolünü" is used to denote "self-control," referring to the regulation of one's own emotions or behaviors.
Kendi kontrolünü sağlamak için meditasyon yapıyor.
He practices meditation to maintain his self-control.
In this case, "kontrolünü" describes "control" in the sense of managerial responsibility over a task or project.