Where does “herjaaminen” come from?

herjaaminen (Finnish) comes from Finnish herjata, from Finnish herja, from Old Norse herja, from Proto-Germanic harjōną, from Proto-Indo-European kóryos, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

Ancestry of “herjaaminen”, step by step

StepLanguageWordMeaning
1Finnishherjatato revile, rail against, abuse; to slander; to...
2Finnishherjaslur; villain; predator, beast of prey
3Old Norseherjato go harrying or freebooting; to despoil, waste
4Proto-Germanicharjōnąto overrun with an army; lay waste; ravage;...
5Proto-Indo-Europeankóryoswar; troops; army; war, troops
6Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
7Proto-Indo-Europeankr̥-to turn, to bend
8Proto-Indo-Europeanker-army
Every word from Proto-Indo-European ker-Every word from Proto-Indo-European kr̥-Every word from Proto-Indo-European ḱer-