Where does “Ruothulf” come from?

Ruothulf (Old Dutch) comes from Proto-West Germanic Hrōþiwulf, from Proto-Germanic Hrōþiwulfaz, from Proto-Germanic wulfaz, from Proto-Indo-European wĺ̥kʷos — wolf.

Ancestry of “Ruothulf”, step by step

StepLanguageWordMeaning
1Proto-West GermanicHrōþiwulf
2Proto-GermanicHrōþiwulfaz
3Proto-Germanicwulfazwolf
4Proto-Indo-Europeanwĺ̥kʷoswolf
Every word from Proto-Indo-European wĺ̥kʷosEvery word from Proto-Germanic wulfazEvery word from Proto-Germanic Hrōþiwulfaz