Where does “Robert” come from?

Robert (Finnish) comes from Swedish Robert, from Latin Robertus, from Frankish Hrodebert, from Proto-Germanic Hrōþiberhtaz, from Proto-Germanic berhtaz, from Proto-Germanic hrabnaz, from Proto-Indo-European ḱorh₂-, from Proto-Indo-European ḱer- — army.

Ancestry of “Robert”, step by step

StepLanguageWordMeaning
1SwedishRobert
2LatinRobertus
3FrankishHrodebert
4Proto-GermanicHrōþiberhtazshining glory
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-