Where does “rascar” come from?

rascar (Old Portuguese) comes from Latin rasicare, from Latin rasus, from Latin radere, from Latin rado, from Proto-Italic razdō, from Proto-Indo-European rh₁d-dʰ-, from Proto-Indo-European reh₁d- — to scrape, scratch, gnaw.

Ancestry of “rascar”, step by step

Step	Language	Word	Meaning
1	Latin	rasicare	to scrape
2	Latin	rasus	scraped, shaved
3	Latin	radere	second-person singular future passive indicative...
4	Latin	rado	I scrape, shave, scratch; I rub, smooth; I touch...
5	Proto-Italic	razdō	—
6	Proto-Indo-European	rh₁d-dʰ-	—
7	Proto-Indo-European	reh₁d-	to scrape, scratch, gnaw

Words derived from “rascar”

rascar

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