Where does “rustr” come from?

rustr (Old Norse) comes from Proto-Germanic rustaz, from Proto-Indo-European rudʰso-, from Proto-Indo-European h₁rewdʰ- — red.

Ancestry of “rustr”, step by step

StepLanguageWordMeaning
1Proto-Germanicrustazrust
2Proto-Indo-Europeanrudʰso-red
3Proto-Indo-Europeanh₁rewdʰ-red

Words derived from “rustr

Every word from Proto-Indo-European h₁rewdʰ-Every word from Proto-Indo-European rudʰso-Every word from Proto-Germanic rustaz