Where does “vakavikko” come from?

vakavikko (Finnish) comes from Finnish vakava, from Finnish -va, from Proto-Finnic -pa, from Proto-Uralic -pa.

Ancestry of “vakavikko”, step by step

StepLanguageWordMeaning
1Finnishvakavaserious; grave, sombre, solemn
2Finnish-vaForms the present active participle of a verb,...
3Proto-Finnic-pa-ing; forms the present participle, which is...
4Proto-Uralic-pa
Every word from Proto-Uralic -paEvery word from Proto-Finnic -paEvery word from Finnish -va