Etymologically

praecludo

Etymology and origin of the Latin word praecludo

Confidence
Established
Formation
Compound
First attested
Caesar
Ultimate origin
Proto-Indo-European (*kleh₂w-)
Etymology tree
inherited borrowed derived
Latin claudo
Latin secludo
Latin recludo
Latin includo
Latin discludo
Latin praecludo

Pronunciation

  • IPA (Classical): [prae̯ˈkɫuː.doː][1]
  • IPA (Ecclesiastical): [preˈkluː.do][1]

Forms

praeclūdō (present infinitive praeclūdere, perfect active praeclūsī, supine praeclūsum); third conjugation[1]

Etymology

It is from Latin prae- + claudō (“to shut”).[2][1] De Vaan traces ⟨claudō⟩ to Proto-Italic *klaud-e/o-, from Proto-Indo-European *kleh₂u-d- (“to shut”).[3]

Earliest recorded meaning

The OLD's earliest citation is Caesar, of blocking.[2] Köbler dates Caesar c. 50 BC.[4]

Semantic evolution

It meant to shut in front, close, block up, bar, as of gates; from Cicero to close a province or a way to someone, preclude, prevent; in Pliny to prevent access to; and in Seneca to bar someone's way, confine.[2][5][6]

In Ecclesiastical Latin it means to close, shut, shut up.[7] English preclude (1610s) is from it.[8]

Timeline

  • c. 50 BC – Caesar uses it.[2][4]
  • 81–43 BC – Cicero uses it of precluding.[2][4]
  • 1610s – English preclude is recorded.[8]

Meanings

Verb

  1. To close, block up, bar.[2][5]
  2. To prevent access to.[2]
  3. To bar the way of, confine.[2]
  4. To preclude, prevent.[2]

Word family

  • praeclūsiō
  • praeclusor

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  4. ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  6. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  7. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  8. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry

“Praecludo.” Etymologically, 17 Oct. 2026, etymologically.com/la/praecludo. Accessed 17 Oct. 2026.

Last edited on . ·