Where does “kelpa-” come from?

kelpa- (Proto-Finnic) comes from Proto-Germanic helpaną, from Proto-Indo-European ḱelb- — help.

Ancestry of “kelpa-”, step by step

StepLanguageWordMeaning
1Proto-Germanichelpanąto help
2Proto-Indo-Europeanḱelb-help
Every word from Proto-Indo-European ḱelb- →Every word from Proto-Germanic helpaną →