Origin of quartanMiddle English quartaine ; from Middle French (fièvre) quartaine ; from Classical Latin (febris) quartana, (fever) occurring every fourth day, feminine of quartanus ; from quartus, fourth: see quart
Origin of quartanMiddle English quartaine, from Old French, from Latin qu&amacron;rt&amacron;na, from qu&amacron;rt&amacron;nus, of the fourth, from qu&amacron;rtus, fourth; see kwetwer- in Indo-European roots.
- (medicine, historical) A fever whose symptoms recur every four days.
(comparative more quartan, superlative most quartan)
- (medicine) Recurring every four days; especially in designating a form of malaria with such symptoms.