# pyrexia

> English word · Noun · IPA /pʌɪˈrɛk.si.ə/

## Definitions
1. Fever.
2. Trench fever.

## Etymology
From post-classical Latin pyrexia, from Ancient Greek πυρεξία (purexía, “feverishness”), from πυρετός (puretós, “fever”).

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