Etymologically

Etymology and origin of the Latin word deerro

Confidence
Established
Formation
Derivation
First attested
c. 250–184 BC, Plautus
Ultimate origin
Latin (errō)
Etymology tree
inherited borrowed derived
Latin erro
Latin oberro
Latin pererro
Latin deerro
Latin aberro

Pronunciation

  • Classical: [deːˈɛr.roː], [ˈdeːr.roː][1]
  • Ecclesiastical: [deˈɛr.ro][1]

Forms

deerrō (present infinitive deerrāre, perfect active deerrāvī, supine deerrātum); first conjugation[1] In verse ⟨deer-⟩ is often scanned as one syllable.[2][3] It is also written derrō.[2][4]

Etymology

It is from Latin dē- + errō (“to wander, stray”).[2][4][5] De Vaan reconstructs the simple verb as Proto-Italic *ers-āje-, a denominative verb made to a noun Proto-Indo-European *h₁ers-o/h₂- (“erring, error”), which may be built on a root meaning “to flow”.[5]

Earliest recorded meaning

De Vaan and the OLD record it first in Plautus' Menaechmi, inter homines me deerrare a patre, of getting lost from one's father in a crowd.[5][2][6]

Semantic evolution

Lewis & Short call it rare but classical.[3] Cicero writes of people who had lost their way on a journey,[3][7] and Virgil of a he-goat that had strayed, vir gregis ipse caper deerraverat.[8] Figuratively it is to stray from a course of thought or action: Lucretius says some thinkers have strayed far from the truth,[6] and the Rhetorica ad Herennium uses it of not straying from a subject.[2] Seneca uses it of an archer who misses and of a man who goes wrong.[2] In Medieval Latin it still meant to lose one's way and to be mistaken.[9]

Timeline

  • c. 250–184 BC – Plautus uses it of getting lost in a crowd.[2][5][10]
  • 96–55 BC – Lucretius uses it of straying from the truth.[6][10]
  • 81–43 BC – Cicero uses it of losing one's way.[3][10]
  • 70–19 BC – Virgil writes of a he-goat that had strayed.[8][10]
  • 4 BC–65 AD – Seneca uses it of an archer missing the target.[2][10]

Meanings

Verb

  1. To wander off, go astray, lose one's way.[2][3]
  2. To miss (a target).[2]
  3. To stray from the right course (in thought or action), digress.[2][6]
  4. To make a mistake, go wrong.[2][9]

References

  1. ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  5. ^ a b c d de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  6. ^ a b c d Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  7. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  8. ^ a b Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  9. ^ a b Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  10. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry

“Deerro.” Etymologically, 20 Oct. 2026, etymologically.com/la/deerro. Accessed 20 Oct. 2026.

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