9 letters · 13 points in Scrabble
noun the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; ; --Hippocrates; --Aristotle
originFrom New Latin catamenia, from Ancient Greek καταμήνια (katamḗnia), the neuter plural of καταμήνιος (katamḗnios, “monthly”), from κατά (katá) + μήν (mḗn, “month”). First attested in 1750.
Etymology from Wiktionary, CC BY-SA 3.0