# phylaxis

> English word · Noun · IPA /fɪˈlæksɪs/

## Definitions
1. Protection against infectious disease.

## Etymology
From Ancient Greek φύλαξις (phúlaxis, “watching, guarding”).

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