Etymograph

English

deceivably

Deceivably may come from Anglo-Norman deceivre, from Latin decipio ‘to ensnare, deceive’, and ultimately from Proto-Indo-European *kap-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kap-1uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*kapyéti1‘to be grasping’uncertain
  3. Proto-Italicc. 1500–700 BCE*kapjō2‘to take, seize’uncertain
  4. Archaic Latinc. 700–75 BCEkapiō2uncertain
  5. Latinc. 75 BCE–200 CEcapiō3‘capture, take’uncertain
  6. Latinc. 75 BCE–200 CEdecipio4as dēcipere‘to ensnare, deceive’uncertain
  7. Anglo-Normanc. 1066–1400deceivre4uncertain
  8. Middle Englishc. 1150–1500deceyven5‘to deceive’uncertain
  9. Anglo-Normanc. 1066–1400decevable5uncertain
  10. Middle Englishc. 1150–1500deceyvable6‘deceptive’uncertain
  11. Middle Englishc. 1150–1500deceyvably7‘deceptively’uncertain
  12. Englishtodaydeceivably7

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, Middle English deceyven
  5. 5 Wiktionary, Middle English deceyvable
  6. 6 Wiktionary, Middle English deceyvably
  7. 7 Wiktionary, English deceivably

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kap-Wiktionary, Proto-Italic *kapjōuncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*kapyétiWiktionary, Proto-Italic *kapjō‘to be grasping’uncertain
  3. Proto-Italicc. 1500–700 BCE*kapjōWiktionary, Latin capio, which cites LIV‘to take, seize’uncertain
  4. Archaic Latinc. 700–75 BCEkapiōWiktionary, Latin capio, which cites LIVuncertain
  5. Latinc. 75 BCE–200 CEcapiōWiktionary, Latin decipio‘capture, take’uncertain
  6. Latinc. 75 BCE–200 CEdecipioWiktionary, Middle English deceyvenas dēcipere‘to ensnare, deceive’uncertain
  7. Anglo-Normanc. 1066–1400deceivreWiktionary, Middle English deceyvenuncertain
  8. Middle Englishc. 1150–1500deceyvenWiktionary, Middle English deceyvable‘to deceive’uncertain
  9. Anglo-Normanc. 1066–1400decevableWiktionary, Middle English deceyvableuncertain
  10. Middle Englishc. 1150–1500deceyvableWiktionary, Middle English deceyvably‘deceptive’uncertain
  11. Middle Englishc. 1150–1500deceyvablyWiktionary, English deceivably‘deceptively’uncertain
  12. EnglishtodaydeceivablyWiktionary, English deceivably

Linked words

through Proto-Indo-European *kap-

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

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

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

through Latin decipio ‘to ensnare, deceive’

deception, deceptive, 3 more

Today it means

adv In a deceivable way; gullibly, ingenuously.

Sources

Sources: Wiktionary, “deceivably”; the older steps come from the Wiktionary entries for Proto-Italic *kapjō, Latin capio, Latin decipio, Middle English deceyven, Middle English deceyvable, Middle English deceyvably. 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- / deceivably

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