Where does “Ruodigēr” come from?

Ruodigēr (Old High German) comes from Proto-Germanic Hrōþigaizaz, from Proto-Germanic gaizaz, from Proto-Indo-European ǵʰoysós, from Proto-Indo-European ǵʰey- — winter.

Ancestry of “Ruodigēr”, step by step

StepLanguageWordMeaning
1Proto-GermanicHrōþigaizazfame-spear
2Proto-Germanicgaizazspear, pike, javelin
3Proto-Indo-Europeanǵʰoysósthrowing spear
4Proto-Indo-Europeanǵʰey-winter
Every word from Proto-Indo-European ǵʰey-Every word from Proto-Indo-European ǵʰoysósEvery word from Proto-Germanic gaizaz