Definition of narrischkeit in English:

narrischkeit

Pronunciation /ˈnɑːrɪʃkeɪt/

noun

informal
  • In Jewish usage: foolishness, nonsense; a trifle.

Origin

Late 19th century; earliest use found in Israel Zangwill (1864–1926), writer and advocate of Jewish causes. From Yiddish narishkeyt from narish foolish (from nar fool (from Middle High German nar (Old High German narro, German Narr, further etymology uncertain and disputed)) + -ish) + -keyt, suffix forming abstract nouns.