Where does “Rudolfina” come from?

Rudolfina (Polish) comes from Polish Rudolf, 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 “Rudolfina”, step by step

StepLanguageWordMeaning
1PolishRudolf—
2GermanRudolf—
3Middle High GermanRuodolf—
4Old High GermanRuodolf—
5Old High Germanwolfwolf
6Proto-West Germanicwulfwolf
7Proto-Germanicwulfazwolf
8Proto-Indo-Europeanwĺ̥kʷoswolf
Every word from Proto-Indo-European wĺ̥kʷos →Every word from Proto-Germanic wulfaz →Every word from Proto-West Germanic wulf →