LATIN DICTIONARYLexicon Latīnum

Fīat lūx

“Let there be light”

FIAT · LVX

Classical: the author's own words

Genesis 1:3, Vulgate

Jerome's Latin of the third verse of the Bible.

Word by word

  1. Fīatfaciō -eredo, make3rd sg. pres. pass. subj.
  2. lūxlūx lūcis f.light of daysg. nom.

Using it as a motto or tattoo

Latin endings carry gender and number, so a saying about one person may need changing for another. Check your own version, or have three new ones composed, on the motto desk.

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Quick answers

What does “Fiat lux” mean?
“Fīat lūx” means “Let there be light”. Jerome's Latin of the third verse of the Bible.
Who said “Fiat lux”?
Genesis 1:3, Vulgate.

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