This is the 774th most frequent Polish word.
biura
"Biura" means "offices" in English.
Here, "biura" is the genitive singular form of "biuro," meaning "office," and indicates direction towards the entity.
Idę do biura każdego ranka.
I go to the office every morning.
Here, "biur" is the genitive plural form of "biuro," denoting possession or association for multiple entities.
W naszym mieście jest wiele biur.
In our city, there are many offices.
Here, "biura" is the genitive singular form of "biuro," specifying relationship or purpose.