English
fact
Fact comes from Latin factum ‘an act, deed, feat, etc’, from factus ‘done or made’, and ultimately from Proto-Indo-European *dʰeh₁- ‘to put, place, set’.
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-1‘to put’reconstructed
- Latinc. 75 BCE–200 CEfaciō1‘do’
- Latinc. 75 BCE–200 CEfactus1‘done or made’perfect passive participle of faciō
- Latinc. 75 BCE–200 CEfactum1‘an act’
- Old Frenchc. 842–1400fact1
- Englishearliest quotation c. 1587–1588fact1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English fact
- Earliest quotation in Wiktionary’s entry: c. 1587–1588, Christopher Marlowe, Tamburlaine the Great. […] The First Part […]: “UUho when he ſhal embrace you in his arms…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-Wiktionary, English fact‘to put’reconstructed
- Latinc. 75 BCE–200 CEfaciōWiktionary, English fact‘do’
- Latinc. 75 BCE–200 CEfactusWiktionary, English fact‘done or made’perfect passive participle of faciō
- Latinc. 75 BCE–200 CEfactumWiktionary, English fact‘an act’
- Old Frenchc. 842–1400factWiktionary, English fact
- Englishearliest quotation c. 1587–1588factWiktionary, English fact. Earliest quotation in Wiktionary’s entry: c. 1587–1588, Christopher Marlowe, Tamburlaine the Great. […] The First Part […]: “UUho when he ſhal embrace you in his arms…”
The story
Old/Middle French later evolved it into faict and fait.
Word family
English words that share an ancestor with fact, grouped by the ancestor they share, most familiar first.
through Proto-Indo-European *dʰeh₁- ‘to put, place, set’
- do ← don ← dōn ← *dōn ← *dōną
- deal ← delen ← dǣlan ← *dailijan ← *dailijaną
- hot ← hāt ← *hait ← *haitaz ← *kéHidos
- defense ← defens ← defens ← dēfēnsa ← dēfendō
- benefit ← benefytt
- mid ← midd ← *midi ← *midjaz ← *médʰyos
- theme ← teme ← teme
- fair ← feyre ← foire ← fēriae ← *fēziās
- fashion ← facioun ← fechoun
- defence ← defens ← defens ← dēfēnsa ← dēfendō
- fan ← fanatic ← fānāticu
- custom ← custume ← custume ← consuētūdinem ← cōnsuēscō
281 more relatives in the full family tree
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Today it means
noun Something actual as opposed to invented.
Sources
Sources: Wiktionary, “fact”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *dʰeh₁- / fact