Menstrual
From BiblePortal Wikipedia
Menstrual [1]
(1): ( a.) Of or pertaining to a menstruum.
(2): ( a.) Of or pertaining to the menses; as, menstrual discharges; the menstrual period.
(3): ( a.) Recurring once a month; monthly; gone through in a month; as, the menstrual revolution of the moon; pertaining to monthly changes; as, the menstrual equation of the sun's place.