demency

English

Etymology

From Latin dēmentia, from dēmens (“out of one's mind”).

Noun

demency (uncountable)

1. (now rare) Madness; dementia.
   • 1969, Vladimir Nabokov, Ada or Ardor, Penguin, published 2011, page 263:

     no direct access could be obtained to the banned, or burned, books of the three cosmologists, Xertigny, Yates and Zotov (pen names), who had recklessly started the whole business half a century earlier, causing, and endorsing, panic, demency and execrable romanchiks.