Where does “epäkelpoinen” come from?

epäkelpoinen (Finnish) comes from Finnish kelpoinen, from Finnish kelpo, from Finnish kelvata, from Proto-Finnic kelbat'ak, from Proto-Germanic helpaną, from Proto-Indo-European ḱelb- — help.

Ancestry of “epäkelpoinen”, step by step

StepLanguageWordMeaning
1Finnishkelpoineneligible
2Finnishkelpodecent, good, fine
3Finnishkelvatato do, work, suffice
4Proto-Finnickelbat'akto do, to suffice
5Proto-Germanichelpanąto help
6Proto-Indo-Europeanḱelb-help
Every word from Proto-Indo-European ḱelb- →Every word from Proto-Germanic helpaną →Every word from Proto-Finnic kelbat'ak →
epäkelpoinen — Etymology, Origin & Word History | Etymology Explorer