This is the 8368th most frequent Polish word.
pieter
"Pięter" is the genitive plural form of "piętro," meaning "floors" or "stories" (in a building) in English.
Here, 'piętrach' is the plural form of 'piętro,' meaning 'floor' or 'story' in a building.
To mieszkanie znajduje się na trzech piętrach.
This apartment is located on three floors.
In this context, 'piętra' is the genitive singular form of 'piętro,' specifying a specific floor.
Widok z piątego piętra tego budynku jest niesamowity.
The view from the fifth floor of this building is amazing.
Here, 'piętrzące' comes from the verb 'piętrzyć,' which means 'to pile up or accumulate,' used metaphorically.