Definition of Nachlass in English:

Nachlass

Pronunciation /ˈnɑːxlas/

noun

  • Writings remaining unpublished at an author's death.

Origin

Mid 19th century; earliest use found in John Stuart Mill (1806–1873), philosopher, economist, and advocate of women's rights. From German Nachlass from nachlassen to leave behind (Middle High German nāchlāzen from nāch after + lāzen to leave).