Finnish word pahuus comes from Finnish paha, Finnish -uus (Forms nouns from adjectives, expressing a quality.)

Detailed word origin of pahuus

Dictionary entry	Language	Definition
paha	Finnish (fin)	(idiomatic:) paha mieli sadness, offense, umbrage (literally "bad mind"). See the adverb pahoillaan.. Bad, ill. Difficult, hard, tricky. Evil The evil.
-uus	Finnish (fin)	Forms nouns from adjectives, expressing a quality.
pahuus	Finnish (fin)	(archaic). Evil (as opposed to good). Evilness (the property of being evil).

Words with the same origin as pahuus