Where does “Кольбер” come from?

Кольбер (Russian) comes from English Colbert, from Proto-Germanic berhtaz, from Proto-Germanic hrabnaz, from Proto-Indo-European ḱorh₂-, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

Ancestry of “Кольбер”, step by step

StepLanguageWordMeaning
1EnglishColbertA placename
2Proto-Germanicberhtazbright, shining
3Proto-Germanichrabnazraven
4Proto-Indo-Europeanḱorh₂-
5Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
6Proto-Indo-Europeankr̥-to turn, to bend
7Proto-Indo-Europeanker-army
Every word from Proto-Indo-European ker-