This is the 6392nd most frequent Polish word.
bączkowskiej
The word "bączkowskiej" is a form of a proper noun, likely a surname, in its feminine singular genitive or dative case in Polish. It does not have a direct translation into English.
Here, 'Bączkowską' is in the instrumental case, used after 'z' (with), to refer to a person by their surname.
Chciałbym porozmawiać z panią Bączkowską o jej nowym projekcie.
I would like to talk with Mrs. Bączkowska about her new project.
Here, 'Bączkowskiej' is in the genitive case, indicating possession or association.
Na mapie zaznaczyliśmy obszar należący do rodziny Bączkowskiej.
On the map, we marked the area belonging to the Bączkowska family.
In this context, 'Bączkowskiej' is in the dative case, used to specify the recipient of the action.