narzdnik
Narzdnik is not a widely recognized term in standard linguistic or encyclopedic references. The form closest to an established term is narzędnik, which in Polish grammar denotes the instrumental case. The spelling narzdnik may reflect a typographical error, a transliteration variation, or it may occur as a proper name in a fictional setting or as a user handle online.
In Polish, the narzędnik (instrumental case) marks the instrument or means by which an action is performed
Outside of grammar, narzdnik could also appear as a coined term, surname, brand name, or fictional concept,
Overall, narzdnik is generally treated as an ambiguous or context-dependent form, with the most likely standard