pruritus (n.)youdaoicibaDictYouDict[pruritus 词源字典]
"itching of the skin without visible eruption" [Klein], 1650s, from Latin pruritus, past participle of prurire "to itch" (see prurient). Earlier via Old French in form prurite (early 15c.). Related: Pruritic.[pruritus etymology, pruritus origin, 英语词源]