This is the 8361st most frequent Polish word.
piaśnickich
"Piaśnickich" refers to something related to Piaśnica, a location in Poland, often associated with the "Piaśnica massacres."
In this sentence, "Piaśnickich" serves as an adjective derived from "Piaśnica," effectively describing a proper noun (museum) associated with the region Piaśnica.
Muzeum Piaśnickich przetrwało próbę czasu i nadal edukuje o historii regionu.
The Piaśnickich Museum has stood the test of time and continues to educate about the region's history.
Here, "Piaśnickich" functions as a plural form of a surname, indicating its relation to the members of the Piaśnicki family.
Rodzina Piaśnickich od wielu pokoleń mieszkała w tej wiosce, dbając o jej tradycje.
The Piaśnickich family had been living in this village for many generations, preserving its traditions.
Here, "Piaśnickich" is used as an adjective, describing the forests (Lasy Piaśnickie) connected to the Piaśnica region.