Etymology and origin of the Latin word similitudo
- Confidence
- Established
- Formation
- Derivation
- First attested
- 220–130 BC, Pacuvius
- Ultimate origin
- Proto-Indo-European (*smh₂-el-i-)
Forms
similitūdō f (genitive similitūdinis); third declension[1]
Etymology
It is formed from Latin similis (“like”) + -tūdō.[2][1][3] De Vaan traces ⟨similis⟩ to Proto-Italic *semali- (“alike, together”) and Proto-Indo-European *smh₂-el-i-; it is cognate with Old Irish samail (“likeness”), Welsh hafal (“like”) and Ancient Greek ὁμαλός (homalós, “level”).[4]
Earliest recorded meaning
De Vaan gives Pacuvius as its first author.[4] In a tragedy of his a character recognises someone vōcis … similitūdine, by the likeness of the voice.[2]
Semantic evolution
It is likeness or resemblance, with similitūdō vērī the appearance of truth, probability (Cicero), a shared nature, and ad similitūdinem “after the manner of”.[2] It is also something that resembles another thing, a likeness in a painting or statue (Velleius), the use of a parallel case, a comparison, simile or analogy, which the Rhetorica ad Herennium defines as a figure of speech, and sameness or monotony, which Cicero calls the mother of satiety.[2][3]
Church Latin glosses it “likeness, parable”,[5] and medieval Latin used it for an example, comparison or parable.[6] English similitude (late 14th century) comes from it, partly through Old French.[7]
Timeline
- 220–130 BC – Pacuvius of likeness of voice.[2][4][8]
- 81–43 BC – Cicero of probability and monotony.[2][8]
- c. 20 BC–30 AD – Velleius of a portrait likeness.[2][8]
- late 14th century – English similitude.[7]
Meanings
Noun
- Likeness, resemblance, similarity, similitūdō vērī, probability.[2][1][3]
- Something that resembles another; a likeness, portrait.[2][5]
- A comparison, simile, analogy.[2][1]
- Sameness, uniformity, monotony.[2][1]
- (Ecclesiastical Latin) A parable.[5][6]
Word family
- vērisimilitūdō
Related words
- similigenus
- similis
- similitās
- similiter
- simulācrum
- simulāmen
- simulāmentum
- simulāns
- simulanter
- simulātē
- simulō
- English similitude
References
- ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b c de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
- ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry
“Similitudo.” Etymologically, 19 Oct. 2026, etymologically.com/la/similitudo. Accessed 19 Oct. 2026.
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