scruffy (adj.)youdaoicibaDictYouDict[scruffy 词源字典]
1650s, "covered with scurf," from scruff "dandruff, scurf" (late Old English variant of scurf) + -y (2). Generalized sense of "rough and dirty" is from 1871. Related: Scruffily; scruffiness.[scruffy etymology, scruffy origin, 英语词源]