Etymology of the English word menstruation
the English word menstruation
derived from the Greek word men, μήν (month; month, Latin menstruus, pertaining to a month; a particle of affirmation ; assuredly)
derived from the Proto-Indo-European root *mē-
derived from the English word menstruate
derived from the Late Latin word menstruatio (menstruation)
derived from the Late Latin word menstruare (menstruate, have period; have monthly term; pollute; defile)
using the English suffix -ion