Where does “jotenka” come from?

jotenka (Finnish) comes from Finnish joten, from Finnish -ten, from Proto-Finnic -ten.

Ancestry of “jotenka”, step by step

StepLanguageWordMeaning
1Finnishjotenso, therefore, hence, whereupon
2Finnish-tenForms causative adverbs
3Proto-Finnic-ten—
Every word from Proto-Finnic -ten →Every word from Finnish -ten →Every word from Finnish joten →