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men·stri·ver·sa·ry /mɛnstrəˈvɜrsəri/ pronunciation men-struh-vur-suh-ree –noun 1. the monthly recurrence of the date of a past event: the 9th menstriversary of their relationship. 2. the celebration or commemoration of such a date. Etymology: Deriving from the Latin "mensis", meaning month, or "menstruus", meaning monthly and the Latin "vertere" meaning returning. Literally translating to: returning monthly.
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