This is the 4534th most frequent Polish word.
kursu
The Polish word "kursu" is the genitive or accusative singular form of "kurs," meaning "course" (e.g., a class or direction).
Here 'kursu' is used to mean an educational course or program.
Uczęszczam na kurs języka polskiego, aby poprawić swoje umiejętności.
I attend a Polish language course to improve my skills.
Here 'kursu' refers to the exchange rate in financial contexts.
Zmiana kursu waluty wpłynęła na ceny importowanych towarów.
The change in the exchange rate affected the prices of imported goods.
Here 'kursu' denotes the direction or route taken by a vehicle or vessel.