This is the 14963rd most frequent Polish word.
rowerzystów
"Rowerzystów" means "cyclists" in English.
The word "rowerzystów" is the plural form in the accusative case, indicating a direct object in this sentence.
Spotkałem grupę rowerzystów na leśnej ścieżce.
I encountered a group of cyclists on the forest path.
Here, "rowerzystów" once again is in the accusative case, serving as the direct object of the verb "pytam".
Pytam rowerzystów o drogę do najbliższego miasta.
I am asking the cyclists for directions to the nearest city.
In this sentence, "rowerzystów" is used in the genitive case after "których," indicating possession or relation.