(of a fever) characterized by paroxysms that recurevery sixth day.
a sextan fever.
Origin of sextan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(of a fever) marked by paroxysms that recur after an interval of five days
Word Origin for sextan
C17: from Medieval Latin sextana (febris) (fever) of the sixth (day)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012