polską

polską

"Polską" means "Polish" (feminine singular instrumental case) or "Poland" (used in the instrumental case).

Here, 'polską' is in its instrumental singular feminine form, agreeing with the noun 'drogą', indicating the means by which something is done.

Podróżuję polską drogą.

I am traveling on a Polish road.

In this sentence, 'polską' is in its accusative singular feminine form, describing the direct object 'kuchnię' which is being praised.

Chwalę polską kuchnię.

I praise Polish cuisine.

Here, 'polską' is once again in its instrumental singular feminine form, used to describe 'nauczycielką' with which a meeting occurred.

Spotkałem się z polską nauczycielką.

I met with a Polish teacher.