Where does “rés” come from?

rés (Old French) comes from Latin rāsus, from Latin rādō, from Proto-Italic razdō, from Proto-Indo-European rh₁d-dʰ-, from Proto-Indo-European reh₁d- — to scrape, scratch, gnaw.

Ancestry of “rés”, step by step

StepLanguageWordMeaning
1Latinrāsusscraped, shaved
2Latinrādōto scrape, shave, scratch
3Proto-Italicrazdō—
4Proto-Indo-Europeanrh₁d-dʰ-—
5Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw

Words derived from “rés”

Every word from Proto-Indo-European reh₁d- →Every word from Proto-Indo-European rh₁d-dʰ- →Every word from Proto-Italic razdō →