Where does “rust” come from?

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

rust (Danish): rust; corrosion; imperative of ruste

Definitions

  1. rust; corrosion; imperative of ruste

Ancestry of “rust”, step by step

StepLanguageWordMeaning
1Old Swedishrostrust
2Old Norserustr—
3Proto-Germanicrustazrust
4Proto-Indo-Europeanrudʰso-red
5Proto-Indo-Europeanh₁rewdʰ-red

Words derived from “rust”

Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Indo-European rudʰso- →Every word from Proto-Germanic rustaz →
rust — Etymology, Origin & Word History | Etymology Explorer