Where does “aistiviallisuus” come from?

aistiviallisuus (Finnish) comes from Finnish aistiviallinen, from Finnish viallinen, from Finnish vika, from Finnish viimeinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “aistiviallisuus”, step by step

StepLanguageWordMeaning
1FinnishaistiviallinenSynonym of aistivammainen
2Finnishviallinenfaulty, defective
3Finnishvikaflaw, malfunction, failure, problem; fault; stain...
4Finnishviimeinenlast, final; nth last; dying
5Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
6Finnish-uusForms nouns from adjectives, expressing a quality
7Proto-Finnic-uc-ness, -hood
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus