Where does “puraiseminen” come from?

puraiseminen (Finnish) comes from Finnish puraista, from Finnish purra, from Finnish -skella, from Proto-Finnic -skeldak, from Proto-Finno-Ugric -śk-.

Ancestry of “puraiseminen”, step by step

StepLanguageWordMeaning
1Finnishpuraistato bite once
2FinnishpurraTo bite
3Finnish-skellaForms frequentative verbs, chiefly from...
4Proto-Finnic-skeldakForms frequentative verbs
5Proto-Finno-Ugric-śk-—
Every word from Proto-Finno-Ugric -śk- →Every word from Finnish -skella →Every word from Finnish purra →