Where does “erosion” come from?

erosion (Middle French) comes from Latin erosio, from Latin erodo, from Latin rōdō, from Proto-Indo-European Hreh₃d- — to scrape.

Ancestry of “erosion”, step by step

StepLanguageWordMeaning
1Latinerosioeating away
2LatinerodoI gnaw away; corrode
3Latinrōdōto gnaw, nibble, bite; eat or waste away, corrode, consume; erode
4Proto-Indo-EuropeanHreh₃d-to scrape

Words derived from “erosion”

Every word from Proto-Indo-European Hreh₃d- →Every word from Latin rōdō →Every word from Latin erodo →