# ferrugo

> English word · Noun

## Definitions
1. rust (plant disease).

## Etymology
Borrowed from Latin ferrūgō (“iron rust”), from ferrum (“iron”).

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