Where does “rouiller” come from?

rouiller (Middle French) comes from Old French rouil, from Vulgar Latin robicula, from Latin rōbīgō, from Latin rōbus, from Proto-Italic rouβos, from Proto-Indo-European h₁rewdʰ- — red.

rouiller (Middle French): to rust

Definitions

  1. to rust

Ancestry of “rouiller”, step by step

StepLanguageWordMeaning
1Old Frenchrouilrust
2Vulgar Latinrobicula
3Latinrōbīgōrust
4Latinrōbusred
5Proto-Italicrouβos
6Proto-Indo-Europeanh₁rewdʰ-red

Words derived from “rouiller

Every word from Proto-Indo-European h₁rewdʰ-Every word from Proto-Italic rouβosEvery word from Latin rōbus
rouiller — Etymology, Origin & Word History | Etymology Explorer