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.