This is the 4113th most frequent Russian word.
польский
"Polish" (related to Poland or its language).
Here, the word 'польский' is an adjective describing the noun 'язык' (language), specifying it as Polish.
Я изучаю польский язык.
I am learning the Polish language.
In this sentence, 'польский' serves as an adjective modifying the noun 'хлеб' (bread), indicating its Polish origin.
Мой друг купил польский хлеб на рынке.
My friend bought Polish bread at the market.
Here, 'польский' is an adjective describing the noun 'турист' (tourist), illustrating their nationality.