Where does “Ralf” come from?

Ralf (German) comes from English Ralph, from Middle English Radulf, from Old English Rǣdwulf, from Proto-Germanic *Rādawulf, from Proto-Germanic Rēdawulfaz, from Proto-Germanic rēdaz, from Proto-Indo-European Hréh₁dʰos, from Proto-Indo-European Hreh₁dʰ- — to fit, to fix, to put together.

Ancestry of “Ralf”, step by step

StepLanguageWordMeaning
1EnglishRalphFictional person used in references to vomiting
2Middle EnglishRadulf
3Old EnglishRǣdwulf
4Proto-Germanic*Rādawulf
5Proto-GermanicRēdawulfaz
6Proto-Germanicrēdazadvice, counsel
7Proto-Indo-EuropeanHréh₁dʰos
8Proto-Indo-EuropeanHreh₁dʰ-to think; to arrange; to succeed, accomplish
9Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
10Proto-Indo-Europeanh₂er-to fit, to fix, to put together

Words derived from “Ralf

Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Indo-European Hreh₁dʰ-