Where does “todistusvelvollisuus” come from?

todistusvelvollisuus (Finnish) comes from Finnish velvollisuus, from Finnish velvollinen, from Finnish -llinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “todistusvelvollisuus”, step by step

todistusvelvollisuus traces back through two separate lines of ancestry.

via Finnish velvollisuus

StepLanguageWordMeaning
1Finnishvelvollisuusresponsibility; duty; obligation
2Finnishvelvollinenbound, obliged, liable
3Finnish-llinenForms adjectives that indicate time; Forms...
4Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
5Finnish-uusForms nouns from adjectives, expressing a quality
6Proto-Finnic-uc-ness, -hood

via Finnish todistus

StepLanguageWordMeaning
1Finnishtodistuscertificate; diploma, report card, certificate;...
2FinnishtodistaaTo prove, demonstrate, substantiate; To witness,...
3Finnishtositruth, reality, real thing; real-life; true
4Proto-Finnictocitruth
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -llinen