Where does “naruszony” come from?

naruszony (Polish) comes from Hungarian -öny, from Hungarian -ö-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

Ancestry of “naruszony”, step by step

Step	Language	Word	Meaning
1	Hungarian	-öny	Added to a word to form a noun or an adjective
2	Hungarian	-ö-	linking vowel
3	Hungarian	-d	your; Used in the second-person singular definite...
4	Middle Welsh	-nt	3rd person plural verb ending