This is the 18039th most frequent Polish word.
żydowskich
"Żydowskich" means "Jewish" (adjective, plural or genitive plural form).
In this sentence, 'żydowskich' functions as an adjective describing the type or origin of the monuments.
Szczególna uwaga została poświęcona żydowskich zabytkom w mieście.
Special attention was given to the Jewish monuments in the city.
Here, 'żydowskich' modifies 'tradycji kulinarnych', indicating that the traditions belong to Jewish culture.
Studiował historię żydowskich tradycji kulinarnych.
He studied the history of Jewish culinary traditions.
'Żydowskich' here specifies that the discussed holidays pertain to Jewish traditions.