Where does “Rolf” come from?

Rolf (German) comes from German Rudolf, from Middle High German Ruodolf, from Old High German Ruodolf, from Old High German wolf, from Proto-West Germanic wulf, from Proto-Germanic wulfaz, from Proto-Indo-European wĺ̥kʷos — wolf.

Ancestry of “Rolf”, step by step

StepLanguageWordMeaning
1GermanRudolf—
2Middle High GermanRuodolf—
3Old High GermanRuodolf—
4Old High Germanwolfwolf
5Proto-West Germanicwulfwolf
6Proto-Germanicwulfazwolf
7Proto-Indo-Europeanwĺ̥kʷoswolf
Every word from Proto-Indo-European wĺ̥kʷos →Every word from Proto-Germanic wulfaz →Every word from Proto-West Germanic wulf →