Where does “rusto” come from?

rusto (Esperanto) comes from English rust, from Middle English rust, from Old English rūst, from Proto-Germanic rustaz, from Proto-Indo-European rudʰso-, from Proto-Indo-European h₁rewdʰ- — red.

rusto (Esperanto): rust

Definitions

  1. rust

Ancestry of “rusto”, step by step

StepLanguageWordMeaning
1EnglishrustThe deteriorated state of iron or steel as a...
2Middle Englishrustrust oxidisation of iron or steel
3Old Englishrūstrust
4Proto-Germanicrustazrust
5Proto-Indo-Europeanrudʰso-red
6Proto-Indo-Europeanh₁rewdʰ-red

Words derived from “rusto”

Every word from Proto-Indo-European h₁rewdʰ- →
rusto — Etymology, Origin & Word History | Etymology Explorer