scrapieyoudaoicibaDictYouDict[scrapie 词源字典]
"A disease of sheep involving the central nervous system, characterized by a lack of coordination causing affected animals to rub against trees and other objects for support, and thought to be caused by a virus-like agent such as a prion", Early 20th century: from the verb scrape + -ie.[scrapie etymology, scrapie origin, 英语词源]