Where does “sponsoroiminen” come from?

sponsoroiminen (Finnish) comes from Finnish sponsoroida, from Finnish sponsori, from Latin sponsor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

Ancestry of “sponsoroiminen”, step by step

StepLanguageWordMeaning
1FinnishsponsoroidaTo sponsor
2Finnishsponsorisponsor
3Latinsponsora bondsman, surety
4Latin-tor-er
5Proto-Italic-tōrForms agent nouns to verb stems
6Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
7Proto-Indo-European-tor-s
Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Latin sponsor