This is the 7211th most frequent Polish word.
jastrzębskiego
"Jastrzębskiego" is the genitive or masculine/neuter adjectival form of "Jastrzębski," meaning "of Jastrzębski" or "related to Jastrzębski," which can refer to a surname or something named after it.
Adjective form of the noun 'Jastrzębski', describing the geographical name 'Wzgórze' (hill).
Podziwiam piękne widoki z Jastrzębskiego Wzgórza.
I admire the beautiful views from Jastrzębski Hill.
Possessive form, indicating authorship or association with the name 'Jastrzębski'.
Książka autorstwa profesora Jastrzębskiego jest pełna ciekawych informacji.
The book authored by Professor Jastrzębski is full of interesting information.
Genitive form of the surname 'Jastrzębski', used to denote honorific naming after an individual.