Where does “arrasar” come from?

arrasar (Spanish) comes from Spanish rasar, from Latin rāsculāre, from Latin rāsculum, 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.

arrasar (Spanish): to raze, level, to smooth; to lay waste to, to...