mezhuia.

Headword: 
mezhuia.
Principal English Translation: 

to menstruate, to have one's monthlies (see attestations)

Attestations from sources in English: 

In yquac ytech otaçic monamic noço aca çe çihuatl, cuix moçihuacocoa? Cuix mezhuia? = When you had sexual relations with your wife or some other woman: was she menstruating? Was she with her monthlies?
Bartolomé de Alva, A Guide to Confession Large and Small in the Mexican Language, 1634, eds. Barry D. Sell and John Frederick Schwaller, with Lu Ann Homza (Norman: University of Oklahoma Press, 1999), 109.

Attestations from sources in Spanish: 

In yquac ytech otaçic monamic noço aca çe çihuatl, cuix moçihuacocoa? Cuix mezhuia? = Quando llegaste a tu muger, ò a otra qualquiera, estaba con su costumbre?
Bartolomé de Alva, A Guide to Confession Large and Small in the Mexican Language, 1634, eds. Barry D. Sell and John Frederick Schwaller, with Lu Ann Homza (Norman: University of Oklahoma Press, 1999), 108–109.