This is the 11890th most frequent Polish word.
królów
"Królów" means "of kings" in English.
The word 'królów' is the genitive plural form of 'król' (king), used here to indicate possession or relation to multiple kings.
Biblioteka zawiera kroniki królów polskich.
The library contains chronicles of Polish kings.
Again, 'królów' is in the genitive plural, showing ownership or association belonging to the kings.
Miasto jest znane z zamków dawnych królów.
The city is known for the castles of former kings.
In this context, 'królów' is used to denote that the crowns belong to the kings, emphasizing their royal heritage.