The only free and comprehensive online etymological dictionary of the Spanish language
raer (Verb) "to scrape"
12th cent. From Latin radere 'id.' From Proto-Italic *rasd-e/o- 'id.' Of uncertain origin.
Indo-European
Romance
Portuguese raer, Galician raer, Occitan rasar, Old French rere, Italian rasare, Aromanian rad, Romanian rade, Sardinian rasai
Celtic
Welsh rhathu "to scrape," Breton rahein 'id.'