This is the 1436th most frequent Polish word.
własnego
"Own" or "of one's own."
The word 'własnego' is used here as an adjective agreeing with the masculine singular form of 'car' (samochód), indicating possession.
Mam klucz do własnego samochodu.
I have the key to my own car.
In this sentence, 'własnego' is used in the masculine singular accusative case to modify 'dog' (pies), representing ownership or personal association.
Każdy człowiek pragnie mieć własnego psa.
Every person desires to have their own dog.
Here, 'własnego' is an adjective in the masculine singular genitive case for 'computer' (komputer), contextualizing it as something personal.