# fiat lux

> English word · Phrase

## Definitions
1. Let there be light, especially in the context of light being a metaphor for wisdom.

## Etymology
From Latin fīat lūx (“let there be light”).

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