This is the 4878th most frequent Swedish word.
bilens
"Bilens" means "the car's" (possessive form) in English.
The word 'bilens' is the possessive form, indicating that the 'color' belongs to the 'car'.
Bilens färg är röd.
The color of the car is red.
Here, 'bilens' expresses that the 'engine' is a property of the 'car'.
Bilens motor är ny.
The car's engine is new.
In this sentence, 'bilens' denotes that the 'owner' is associated with the 'car'.