This is the 9053rd most frequent Polish word.
starosty
"Starosty" refers to a historical or administrative district in Poland, or the office/role of a "starosta" (a type of governor or district head).
Here, 'starosty' refers to the authorities or leadership associated with the term 'starosta' in the context of administrative county functions.
Starosty powiatu organizowały spotkanie z mieszkańcami.
The county authorities organized a meeting with the residents.
In this sentence, 'starosty' is used as a plural form referring to multiple instances of 'starosta', who was responsible for administrative and judiciary duties back then.
W średniowieczu rola starosty była bardzo ważna.
In the Middle Ages, the role of the starost was very important.
Here, 'starosty' refers to a particular figure, the administrative leader or head in the context discussed.