This is the 324th most frequent Spanish word.
propio
"Propio" means "own" or "proper" depending on context.
In this instance, 'propio' is utilized to emphasize possession, indicating that the car is uniquely his, not shared with anyone else.
Él tiene su propio coche.
He has his own car.
Here, 'propio' is used to stress individuality, highlighting that each person possesses a unique perspective.
Cada uno tiene su propio punto de vista.
Each one has their own point of view.
In this context, 'propio' serves to underline an intrinsic characteristic, suggesting that the problem inherently exists independently.