menarche
me·narche
noun
1.
the first occurrence of menstruation in a woman
Origin
First attested 1900, from German Menarche, formed from meno- + -arche.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.