Where does “pureskeleminen” come from?

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

Ancestry of “pureskeleminen”, step by step

StepLanguageWordMeaning
1Finnishpureskellato chew
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 -skellaEvery word from Finnish purra