Where does “vasituisesti” come from?

vasituisesti (Finnish) comes from Finnish vasituinen, from Finnish -tuinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “vasituisesti”, step by step

StepLanguageWordMeaning
1Finnishvasituinenspecial, that was made or done for some specific purpose
2Finnish-tuinenVariant of -inen
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus