quinsy (n.)

"severe sore throat," late 14c., qwinaci, from Old French quinancie (Modern French esquinacie), from Late Latin cynanche, from Greek kynankhe "sore throat," also "dog collar," literally "dog-choking," from kyōn (genitive kynos) "dog" (from PIE root *kwon- "dog") + ankhein "to strangle," from PIE root *angh- "tight, painfully constricted, painful."