Where does “kihlautuminen” come from?

kihlautuminen (Finnish) comes from Finnish kihlautua, from Finnish kihlata, from Finnish kihlat, from Proto-Germanic gīslaz, from Proto-Germanic berhtaz, from Proto-Germanic hrabnaz, from Proto-Indo-European ḱorh₂-, from Proto-Indo-European ḱer- — army.

Ancestry of “kihlautuminen”, step by step

StepLanguageWordMeaning
1Finnishkihlautuato get engaged (to someone), engage promise to marry
2Finnishkihlatato betroth
3Finnishkihlatengagement ring and engagement presents...
4Proto-Germanicgīslazhostage
5Proto-Germanicberhtazbright, shining
6Proto-Germanichrabnazraven
7Proto-Indo-Europeanḱorh₂-
8Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
9Proto-Indo-Europeankr̥-to turn, to bend
10Proto-Indo-Europeanker-army
Every word from Proto-Indo-European ker-Every word from Proto-Indo-European kr̥-Every word from Proto-Indo-European ḱer-