Where does “rascler” come from?

rascler (Old French) comes from Vulgar Latin rasicare, 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 “rascler”, step by step

StepLanguageWordMeaning
1Vulgar Latinrasicareto escape; to scrape
2Latinrāsusscraped, shaved
3Latinrādōto scrape, shave, scratch
4Proto-Italicrazdō—
5Proto-Indo-Europeanrh₁d-dʰ-—
6Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw
Every word from Proto-Indo-European reh₁d- →Every word from Proto-Indo-European rh₁d-dʰ- →Every word from Proto-Italic razdō →