"to cut off (someone's) scalp," 1670s, from scalp (n.), originally in reference to North American Indians. For ticket re-selling sense, see scalper. Related: Scalped; scalping. Compare German skalpern, Danish skalpere, Swedish skalpera. French scalper is from Germanic. Similarity to Latin scalpere "to cut, carve" is accidental.[scalp etymology, scalp origin, 英语词源]