IPA: /ˈtɜːrʃən/
KK: /ˈtɜrʃən/
Describing something that happens every third day or at intervals of about 48 hours.
The doctor noted that the patient had a tertian fever, which recurred every other day.
A type of fever that occurs every other day, often associated with certain diseases like malaria.
The doctor diagnosed him with tertian fever after observing his symptoms.
Tertian → It is formed from "tertius" (meaning third) in Latin, combined with the suffix "-an" (meaning pertaining to). The word "tertian" refers to something that is related to or occurring every third day.
Think of 'third' ('tertius') to remember that 'tertian' means something that happens every third day.