This is the 13936th most frequent Polish word.
portugalski
"Portugalski" means "Portuguese" (relating to Portugal or its language).
Here, 'portugalski' is used as an adjective describing the language.
Mój kolega uczy się języka portugalskiego.
My friend is learning the Portuguese language.
In this sentence, 'portugalski' serves as an adjective modifying the noun 'film', indicating its origin.
Film portugalski zdobył wiele nagród.
A Portuguese film won many awards.
Here, 'portugalski' is again used adjectivally, describing the wine's origin.