This is the 2459th most frequent Polish word.
departamentu
"Departamentu" is the genitive or locative case of the Polish word "departament," meaning "department" in English.
Here, 'departamentu' is the genitive singular form of 'departament', used to indicate possession or association with the department.
Spotkanie odbyło się w sali konferencyjnej departamentu.
The meeting took place in the department's conference room.
In this sentence, 'departamentu' indicates a genitive relation, specifying that the director is of the department.
Dyrektor departamentu ogłosił nowe zasady.
The director of the department announced new regulations.
The word 'departamentu' is used to denote possession or association with the 'pracownik' (employee) of the department.