menstruate

verb

to undergo menstruation, menses

Wiktionary

Pronunciation: /ˈmɛnstɹʊeɪt/ / /ˌmɛnstɹuˈeɪt/ / /ˈmɛnstɹəˌweɪt/

adj

Etymology: Etymology tree English menstruum Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English menstruate From menstruum + -ate (adjective-forming usffix).

Menstrual.

verb

Etymology: From menstruum + -ate (verb-forming suffix); sense 2 (“to undergo menstruation”) is possibly a back-formation from menstruation.

To stain with or as if with menses.
To undergo menstruation, to have a period.
“A woman may have every quality or attribute of marriageableness who menstruates irregularly, or rarely, or even who has never menstruated at all.”
“Among the ancient Iranians, the puerpera, like the menstruating woman, was regarded as "unclean".”