Where does “Richardus” come from?

Richardus (Latin) comes from Middle High German Rihard, from Old High German Rihhart, from Germanic *Rīkuhardu, from Proto-Indo-European rik- — nit.

Ancestry of “Richardus”, step by step

StepLanguageWordMeaning
1Middle High GermanRihard—
2Old High GermanRihhart—
3Germanic*Rīkuhardu—
4Proto-Indo-Europeanrik-nit
Every word from Proto-Indo-European rik- →Every word from Germanic *Rīkuhardu →Every word from Old High German Rihhart →