This is the 7300th most frequent Polish word.
kalisza
"Kalisza" is the genitive singular form of "Kalisz," a city in Poland.
Here 'Kalisza' is the genitive form of the noun 'Kalisz,' referring to the city.
Odwiedziłem piękne miasto Kalisza.
I visited the beautiful city of Kalisz.
In this context, 'Kalisza' is again in the genitive case, indicating possession or association.
Potrzebuję mapy Kalisza, aby odnaleźć właściwy adres.
I need a map of Kalisz to find the correct address.
Here 'Kalisza' functions in the genitive case to denote the possession of history to the city of Kalisz.