# filthen

> English word · Verb

## Definitions
1. To cover with filth; besmut; besmirch; make filthy.

## Etymology
From filth + -en, modelled after healthen, strengthen, lengthen, etc.

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