Etymologically

dissimulo

Etymology and origin of the Latin word dissimulo

Confidence
Established
Formation
Derivation
First attested
Plautus
Ultimate origin
Latin (similis)
Etymology tree
inherited borrowed derived
Latin dissimulo
English dissemble

Pronunciation

  • IPA (Classical): [dɪsˈsɪ.mʊ.ɫoː][1]
  • IPA (Ecclesiastical): [disˈsiː.mu.lo][1]

Forms

dissimulō (present infinitive dissimulāre, perfect active dissimulāvī, supine dissimulātum); first conjugation[1]

Etymology

It is from Latin dis- + simulō (“to make like, pretend”).[2][3] Wiktionary and Lewis & Short derive it instead from dissimilis “unlike”, with /i/ becoming /u/ before ⟨l⟩; the TLL gives both.[1][4][5] Georges explains its first sense as “to make unlike”.[6]

Earliest recorded meaning

Plautus, in the Menaechmi, exclaims at how a scoundrel dissembles, and Terence has it too.[2] Köbler dates Plautus about 250–184 BC.[7]

Semantic evolution

It meant to disguise someone's identity, as Ovid's Achilles hidden in a long dress and the god disguised as a bull.[2][6] Most often it meant to pretend that a thing is not what it is, to hide or keep secret, as Cicero's “I will feign nothing, hide nothing”, and Lewis & Short call it very frequent and classical.[2][4]

It also meant to pretend not to notice, to ignore, as in Livy's senate that could overlook and forget much.[2] Medieval Latin kept the senses of hiding and passing over, and added scheming.[8] English dissemble came from Old French dessembler in the early 15th century, and dissimulate from its participle at the same time.[9]

Timeline

  • c. 250–184 BC – Plautus uses it of dissembling.[2][7]
  • 81–43 BC – Cicero uses it of concealing.[4][7]
  • 43 BC–18 AD – Ovid uses it of disguise.[2][7]
  • early 15th century – English dissemble and dissimulate are recorded.[9]

Meanings

Verb

  1. To disguise.[2][1]
  2. To dissemble, conceal, keep secret.[2][1]
  3. To pretend not to notice, ignore.[2][1]

Word family

  • dissimulāmentum
  • dissimulantia
  • dissimulātiō
  • dissimulātor
  • dissimulanter

References

  1. ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  4. ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  6. ^ a b Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  7. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  8. ^ Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  9. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com

Descendants

Cite this entry

“Dissimulo.” Etymologically, 15 Oct. 2026, etymologically.com/la/dissimulo. Accessed 15 Oct. 2026.

Last edited on . ·