moralnych
Moralnych is an inflected form of the Polish adjective moralny, meaning related to morality or ethics. Specifically, moralnych is the genitive plural (and, in some constructions, the accusative plural) form of the adjective. It appears when describing a plural noun in contexts that require the genitive or accusative case, or when a noun phrase is in a larger genitive construction such as “zasad moralnych” or “wartości moralnych.”
Etymology and meaning: The root mor-al derives from Latin moralis, via other European languages, and in Polish
Usage and examples: In ordinary speech, Polish speakers often use the neuter or feminine plural form moralne
See also: moralność (morality), moralny (moral), etyka (ethics).