Etymograph

English

exchange

Exchange comes from Old French eschange, from Vulgar Latin *excambiō ‘to exchange’, from Latin cambium, and ultimately from Proto-Celtic *kambos ‘crooked’.

  1. Proto-Celticc. 1300–800 BCE*kambos1‘twisted, crooked’reconstructed
  2. Gaulishc. 500 BCE–500 CEcambion1‘bent, crooked’yo-stem derivative of *kambos
  3. Latinc. 75 BCE–200 CEcambium2‘a change, exchange’
  4. Late Latinc. 200–600 CEcambiō3‘to exchange’
  5. Vulgar Latinc. 100–700 CE*excambiō3reconstructed
  6. Old Frenchc. 842–1400eschangier3
  7. Old Frenchc. 842–1400eschange3‘exchange’
  8. Anglo-Normanc. 1066–1400eschaunge3
  9. Middle Englishc. 1150–1500eschaunge3‘trade’
  10. Englishearliest quotation 1598–1599exchange3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin cambium
  2. 2 Wiktionary, Latin cambio
  3. 3 Wiktionary, English exchange
  4. Earliest quotation in Wiktionary’s entry: 1598–1599, Much Adoe about Nothing: “Lady, as you are mine, I am yours, I…”.

Lineage

  1. Proto-Celticc. 1300–800 BCE*kambosWiktionary, Latin cambium‘twisted, crooked’reconstructed
  2. Gaulishc. 500 BCE–500 CEcambionWiktionary, Latin cambium‘bent, crooked’yo-stem derivative of *kambos
  3. Latinc. 75 BCE–200 CEcambiumWiktionary, Latin cambio‘a change, exchange’
  4. Late Latinc. 200–600 CEcambiōWiktionary, English exchange‘to exchange’
  5. Vulgar Latinc. 100–700 CE*excambiōWiktionary, English exchangereconstructed
  6. Old Frenchc. 842–1400eschangierWiktionary, English exchange
  7. Old Frenchc. 842–1400eschangeWiktionary, English exchange‘exchange’
  8. Anglo-Normanc. 1066–1400eschaungeWiktionary, English exchange
  9. Middle Englishc. 1150–1500eschaungeWiktionary, English exchange‘trade’
  10. Englishearliest quotation 1598–1599exchangeWiktionary, English exchange. Earliest quotation in Wiktionary’s entry: 1598–1599, Much Adoe about Nothing: “Lady, as you are mine, I am yours, I…”

The story

Spelling later changed on the basis of ex-, with pronunciation following.

Full etymology on Wiktionary

Word family

English words that share an ancestor with exchange, grouped by the ancestor they share, most familiar first.

through Proto-Celtic *kambos ‘twisted, crooked’

  • kam ← cam ← cam ← cam

through Gaulish cambion ‘bent, crooked’

  • changer ← chaungere ← chaungen ← chaungier ← changier

through Latin cambium

  • unchangeable ← unchaungeable ← chaungeable ← chaungeable ← cambiō

through Late Latin cambiō ‘to exchange, barter’

through Latin ex

32 more relatives in the full family tree

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Another origin of exchange

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(s)ḱh₂mbósuncertain
  2. Proto-Celticc. 1300–800 BCE*kambos‘twisted, crooked’reconstructed
  3. Gaulishc. 500 BCE–500 CEcambion‘bent, crooked’yo-stem derivative of *kambos
  4. Latinc. 75 BCE–200 CEcambium
  5. Late Latinc. 200–600 CEcambiō‘to exchange, barter’
  6. Latinc. 75 BCE–200 CEex
  7. Vulgar Latinc. 100–700 CE*excambiārereconstructed
  8. Anglo-Normanc. 1066–1400eschaungier
  9. Middle Englishc. 1150–1500eschaungen‘to exchange or swap’
  10. Englishtodayexchange

Gradually displaced native Old English wrixlan, wixlan (‘to change, exchange, reciprocate’) and its descendants, wrixle being one of them.

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Today it means

noun An act of exchanging or trading.

Sources

Sources: Wiktionary, “exchange”; the older steps come from the Wiktionary entries for Latin cambium, Latin cambio. 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-Celtic *kambos / exchange