E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Quinsy.
This is a curious abbreviation. The Latin word is cynanchia, and the Greek word kunanché, from kuon anche, dog strangulation, because persons suffering from quinsy throw open the mouth like dogs, especially mad dogs. From kunanche comes ku’anchy, kuansy, quinsy.
