catamenia

plural noun

cat·​a·​me·​nia ˌka-tə-ˈmē-nē-ə 

: menses

catamenial

ˌka-tə-ˈmē-nē-əl 

adjective

Word History

Etymology

New Latin, from Greek katamēnia, from neuter plural of katamēnios monthly, from kata by + mēn month — more at cata-, moon

First Known Use

1750, in the meaning defined above

Medical Definition

catamenia

noun plural

cata·​me·​nia ˌkat-ə-ˈmē-nē-ə 

: menses