menstruate
v. US //ˈmɛnstɹuˌeɪt// UK //mˈɛnstɹuːˌeɪt// men·stru·ate
From menstruum + -ate (verb-forming suffix); sense 2 (“to undergo menstruation”) is possibly a back-formation from menstruation.
From menstruum + -ate (adjective-forming usffix).