- grubelsucht (n.)
[grubelsucht 词源字典]
- 1876, from German Grübelsucht, psychiatric term for "a form of obsession in which even the simplest facts are compulsively queried" [OED], from grübeln "to brood" (see grub (v.)) + sucht "mania."[grubelsucht etymology, grubelsucht origin, 英语词源]