- daffy (adj.)
[daffy 词源字典]
- 1884, perhaps from daft (adj.), or from obsolete daffe "a halfwit" (early 14c.; mid-13c. as a surname). Compare late 15c. daffish "dull-witted, spiritless." With -y (2). Related: Daffily; daffiness.[daffy etymology, daffy origin, 英语词源]