This is the 8949th most frequent Polish word.
skrzata
"Skrzata" is the genitive singular or accusative plural form of "skrzat," meaning "gnome" or "elf" in English.
The word 'skrzata' here is used to denote a gnome in a possessive/genitive singular form, describing its role as the subject of the story in the fairy tale.
W bajce opowiedziano historię dzielnego skrzata.
In the fairy tale, the story of a brave gnome was told.
Here, 'skrzata' is in the genitive singular form, indicating possession, specifying that the hat belongs to the gnome.
Dzieci znalazły czapeczkę skrzata w lesie.
The children found the gnome's hat in the forest.
In this instance, 'skrzata' is in the accusative singular form, used as the direct object of the sentence's action.