# menarche

> English word · Noun · IPA /mɛˈnɑː.ki/

## Definitions
1. The onset of menstruation; a girl's first period.

## Etymology
First attested 1900, from German Menarche, formed from meno- + -arche.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/menarche