Where does “kalpaveljekset” come from?

kalpaveljekset (Finnish) comes from Finnish veljekset, from Finnish veli, from Proto-Finnic velji, from Proto-Germanic swelijō, from Proto-Indo-European swé — self.

Ancestry of “kalpaveljekset”, step by step

StepLanguageWordMeaning
1Finnishveljeksetbrothers
2Finnishvelibrother
3Proto-Finnicveljibrother
4Proto-Germanicswelijōsister's husband
5Proto-Indo-Europeanswéself
Every word from Proto-Indo-European swé →Every word from Proto-Germanic swelijō →Every word from Proto-Finnic velji →