Akademik

men|stru|ate
men|stru|ate «MEHN stru ayt», intransitive verb, -at|ed, -at|ing.
to have a discharge of bloody fluid from the uterus, normally at intervals of approximately four weeks.
[< Late Latin mēnstruāre (with English -ate1) < Latin mēnstrua the menses < mēnsis month; see etym. under menses (Cf.menses)]

Useful english dictionary. 2012.