Old English screadian "to peel, prune, cut off," from Proto-Germanic *skrauth- (cognates: Middle Dutch scroden, Dutch schroeien, Old High German scrotan, German schroten "to shred"), from root of shred (n.). Meaning "cut or tear into shreds" is from 1610s. Related: Shredded; shredding.[shred etymology, shred origin, 英语词源]