unknowability

English

Etymology tree

Proto-Indo-European *né

Proto-Indo-European *n̥-

Proto-Germanic *un-

Proto-West Germanic *un-

Old English un-

Middle English un-

English un-

Proto-Indo-European *ǵneh₃-

Proto-Germanic *knēaną

Proto-West Germanic *knāan

Old English cnāwan

Middle English knowen

English know

Proto-Indo-European *-dʰlom

Proto-Italic *-ðlom

Proto-Italic *-ðlis

Latin -bilis

Latin -ābilis

Proto-Indo-European *-teh₂

Proto-Indo-European *-ts

Proto-Indo-European *-teh₂ts

Proto-Italic *-tāts

Latin -tās

Latin -abilitas

Middle French -abletébor.

Middle English -ablete

English -ability

English knowability

English unknowability

unknowability (countable and uncountable, plural unknowabilities)

The quality or state of being unknowable.
- 2007 June 24, Tina Brown, “Couples”, in The New York Times Book Review‎^[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 19 October 2023:
  At the end of her book we feel we know these couples as intimately as if we were part of their circle, but the ultimate nature of each relationship is left inviolate in its unknowability.

quality or state of being unknowable