# milfoil

> English word · Noun

## Definitions
1. Common yarrow, Achillea millefolium.
2. Any of several similar pungent Eurasian herbs, of the genus Achillea
3. Any plants of the genus Myriophyllum; water milfoil.

## Etymology
From Old French milfoil (modern French mille-feuille), from Latin millefolium, from mīlle + folium. Doublet of mille-feuille.

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