nachlass means writings remaining unpublished at an author's death. Lexicurio rates it Sui generis — a strength score of 86 out of 100.
nachlass is pronounced /ˈnɑːx.las/.
Why “nachlass” is a great word
NACHLASS — [Noun] The body of unpublished manuscripts, notes, drafts, and correspondence left behind by an author at their death. Borrowed from German Nachlass, from nach- ("after") + lassen ("to leave"), literally meaning 'what is left behind' or 'bequest'; first attested in English in the mid-20th century. Unlike "opus" (which denotes a major, completed, and published work) or "archive" (which suggests a curated and systematic collection), a nachlass is the specific, organic, and often chaotic accretion of a single mind's unfinished business. It is the coffee-stained draft abandoned mid-sentence, the cryptic marginalia in a well-thumbed book, and the unsent letter folded into a ledger—the silent, posthumous territory where a finished mind is perpetually caught in the act of becoming.
noun
- Writings remaining unpublished at an author's death.