Where does “Waltharius” come from?

Waltharius (Latin) comes from Old High German Waltheri, from Old High German heri, from Proto-Germanic *hari, from Proto-Germanic harjaz, from Proto-Indo-European kóryos, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

Ancestry of “Waltharius”, step by step

StepLanguageWordMeaning
1Old High GermanWaltheri
2Old High Germanheriarmy
3Proto-Germanic*hari
4Proto-Germanicharjazarmy; army leader; commander; warrior
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-