q 10 u 1 a 1 r 1 t 1 a 1 n 1
7 letters · 16 points in Scrabble
Meaning
noun a malarial fever that recurs every fourth day
adjective occurring every fourth day (especially the fever and weakness of malaria)
originFrom Anglo-Norman quartaine, Old French quartaine, from Latin quartāna (short for febris quartana), noun use of feminine form of quartānus (“recurring every four days”), from quartus (“fourth”).
Etymology from Wiktionary, CC BY-SA 3.0