squinancy

[ skwin-uh n-see, -uh-see ]
/ ˈskwɪn ən si, -ə si /

noun

a prostrate Eurasian plant, Asperula cynanchica, of the madder family, having smooth, weak stems and sparse white or pink flowers, formerly believed to be a cure for quinsy.

Origin of squinancy

1350–1400; Middle English squynancy quinsy < Medieval Latin squinancia, -antia < Greek synánchē, kynánchē, diseases of the throat