This is the 13547th most frequent Polish word.
pieszej
The Polish word "pieszej" means "pedestrian" (feminine form, genitive or dative case).
The word 'pieszej' is a genitive singular form of 'pieszy,' which means 'pedestrian,' used here to modify 'ścieżką' (path) in its gender and case.
Idziemy pieszej ścieżką przez las.
We are walking on the pedestrian path through the forest.
Here, 'pieszej' is the dative singular of 'pieszy,' showing possession or intention for the female pedestrian tourist (feminine noun).
To było przyjemne doświadczenie dla pieszej turystki.
It was a pleasant experience for the female pedestrian tourist.
In this example, 'pieszej' is an adjective describing 'część' (part) in its feminine singular form.