Etymograph

English

deceptive

Deceptive comes from Latin dēceptīvus, from dēcipiō ‘to deceive’, and ultimately from Proto-Indo-European *kap-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kap-1reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*kapyéti1‘to be grasping’reconstructed
  3. Proto-Italicc. 1500–700 BCE*kapjō2‘to take, seize’reconstructed
  4. Archaic Latinc. 700–75 BCEkapiō2
  5. Latinc. 75 BCE–200 CEcapiō3‘capture, take’uncertain
  6. Latinc. 75 BCE–200 CEdēcipiō4‘to deceive’
  7. Latinc. 75 BCE–200 CEdēceptīvus4
  8. Middle Frenchc. 1400–1600déceptif4
  9. Englishearliest quotation 1653deceptive4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Italic *kapjō
  2. 2 Wiktionary, Latin capio, which cites LIV
  3. 3 Wiktionary, Latin decipio
  4. 4 Wiktionary, English deceptive
  5. Earliest quotation in Wiktionary’s entry: 1653, John Bulwer, The Artificial Changling […]: “But others declare that no Creature can be made…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kap-Wiktionary, Proto-Italic *kapjōreconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*kapyétiWiktionary, Proto-Italic *kapjō‘to be grasping’reconstructed
  3. Proto-Italicc. 1500–700 BCE*kapjōWiktionary, Latin capio, which cites LIV‘to take, seize’reconstructed
  4. Archaic Latinc. 700–75 BCEkapiōWiktionary, Latin capio, which cites LIV
  5. Latinc. 75 BCE–200 CEcapiōWiktionary, Latin decipio‘capture, take’uncertain
  6. Latinc. 75 BCE–200 CEdēcipiōWiktionary, English deceptive‘to deceive’
  7. Latinc. 75 BCE–200 CEdēceptīvusWiktionary, English deceptive
  8. Middle Frenchc. 1400–1600déceptifWiktionary, English deceptive
  9. Englishearliest quotation 1653deceptiveWiktionary, English deceptive. Earliest quotation in Wiktionary’s entry: 1653, John Bulwer, The Artificial Changling […]: “But others declare that no Creature can be made…”

Linked words

through Proto-Indo-European *kap-

had, head, capital, heavy, catch, captain, capacity, behavior, escape, heavily, chapter, except, achieve, cape, chef, cattle, cabin, occupation, chapel, capitol, haven, capita, behave, hawk, acceptance, chaplain, cad, precipitation, mischief, mischievous, captivity, captive, conceive, conceivable, capillary, chieftain, haves, capo, cabana, occipital, 138 more

through Proto-Indo-European *kapyéti ‘to be grasping’

heaving, heft, heave, 28 more

through Proto-Italic *kapjō ‘to take, seize’

case, capsule, cashier, chassis, cassette, casket, cajon, kas, chasse, 27 more

through Archaic Latin kapiō

acceptable, imperceptible, 24 more

through Latin capiō ‘capture, take’

cash, capable, cable, chase, cop, accept, capture, receive, recipe, recipient, perception, anticipation, anticipate, cater, reception, caption, susceptible, preoccupation, receivable, captor, captivate, sashay, perceptible, preceptor, 26 more

through Latin dēcipiō ‘to deceive’

deceit, deceive, 3 more

Today it means

adj Likely or attempting to deceive.

Sources

Sources: Wiktionary, “deceptive”; the older steps come from the Wiktionary entries for Proto-Italic *kapjō, Latin capio, Latin decipio. 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 *kap- / deceptive

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