# phrenesis

> English word · Noun

## Definitions
1. phrenitis
2. madness, frenzy

## Etymology
From Latin phrenesis, from Ancient Greek *φρένησις (*phrénēsis), a later equivalent of φρενῖτις (phrenîtis, “inflammation of the brain”). Doublet of frenzy.

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