This is the 9456th most frequent Polish word.
wasilewskiej
"Wasilewskiej" is a Polish surname in the genitive case, meaning "of Wasilewska" (indicating possession or relation).
Here, 'Wasilewskiej' is used as a descriptive form of the possessive for a street named 'Wasilewska', serving as a location identifier.
Spotkaliśmy się blisko ulicy Wasilewskiej.
We met near Wasilewska Street.
In this instance, 'Wasilewskiej' is the possessive/genitive form of the feminine surname 'Wasilewska', indicating authorship.
Książka autorstwa Marii Wasilewskiej została opublikowana w 2020 roku.
The book by Maria Wasilewska was published in 2020.
Here, 'Wasilewskiej' indicates possession, referring to an office belonging to someone with the last name Wasilewska.