nebbish (n.)youdaoicibaDictYouDict[nebbish 词源字典]
1905, nebbich, from Yiddish (used as a Yiddish word in American English from 1890s), from a Slavic source akin to Czech neboh "poor, unfortunate," literally "un-endowed," from Proto-Slavic *ne-bogu-, with negative prefix (see un- (1)) + PIE *bhag- "to share out, apportion" (see -phagous).[nebbish etymology, nebbish origin, 英语词源]