Etymograph

English

false

False comes from Old English fals, from Latin falsus ‘counterfeit, false’, past participle of fallō ‘to deceive’.

  1. Latinc. 75 BCE–200 CEfallō1‘to deceive’
  2. Latinc. 75 BCE–200 CEfalsus1‘counterfeit, false’perfect passive participle of fallō
  3. Old Englishc. 450–1150fals1‘false; fraud’
  4. Middle Englishc. 1150–1500false1
  5. Englishearliest quotation 1551false1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English false
  2. Earliest quotation in Wiktionary’s entry: 1551, James A.H. Murray, Oxford: Clarendon Press: “Also the rule of false position, with dyuers examples…”.

Lineage

  1. Latinc. 75 BCE–200 CEfallōWiktionary, English false‘to deceive’
  2. Latinc. 75 BCE–200 CEfalsusWiktionary, English false‘counterfeit, false’perfect passive participle of fallō
  3. Old Englishc. 450–1150falsWiktionary, English false‘false; fraud’
  4. Middle Englishc. 1150–1500falseWiktionary, English false
  5. Englishearliest quotation 1551falseWiktionary, English false. Earliest quotation in Wiktionary’s entry: 1551, James A.H. Murray, Oxford: Clarendon Press: “Also the rule of false position, with dyuers examples…”

The story

Reinforced in Middle English by Anglo-Norman and Old French fals, faus.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *(s)gʷʰh₂el- ‘to stumble’

asphalt, 7 more

through Proto-Italic *falsō

fail, 7 more

through Latin fallō ‘deceive’

failure, default, fallacy, fallacious, fallible, 7 more

through Latin falsus ‘counterfeit, false’

fault, faux, falsify, falsity, 3 more

Today it means

adj Untrue, not factual, factually incorrect.

Sources

Sources: Wiktionary, “false”. 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 / Latin fallō / false