Where does “onteloiminen” come from?

onteloiminen (Finnish) comes from Finnish onteloida, from Finnish ontelo, from Finnish -lö, from Finnish -lä, from Finnish -as, from Proto-Finnic -s, from Proto-Finno-Ugric -s.

Ancestry of “onteloiminen”, step by step

StepLanguageWordMeaning
1Finnishonteloidato hollow out
2Finnishontelocavity; sinus; coelenteron
3Finnish-löFront vowel variant of -lo
4Finnish-läFront vowel variant of -la
5Finnish-asForms some adjectives; Forms some nouns
6Proto-Finnic-sForms nouns
7Proto-Finno-Ugric-s—
Every word from Proto-Finno-Ugric -s →Every word from Finnish -lä →Every word from Finnish -lö →