Etymologically

praecaveo

Etymology and origin of the Latin word praecaveo

Confidence
Established
Formation
Derivation
First attested
c. 250–184 BC, Plautus
Ultimate origin
Proto-Indo-European (*kouh₁-éie-)
Etymology tree
inherited borrowed derived
Latin caveo
Latin cautio
Latin praecaveo

Pronunciation

  • Classical: [prae̯ˈka.we.oː][1]
  • Ecclesiastical: [preˈkaː.ve.o][1]

Forms

praecaveō (present infinitive praecavēre, perfect active praecāvī, supine praecautum); second conjugation[1]

Etymology

It is from Latin prae- + caveō (“to be on one's guard”).[2][1] De Vaan lists it among the derivatives of caveō, which goes back to Proto-Italic *kawē- and Proto-Indo-European *kouh₁-éie- (“to perceive”).[3]

Earliest recorded meaning

It is found from Plautus on,[3] meaning to be on one's guard: in the Epidicus one speaker warns another “but you, beware”.[2]

Semantic evolution

Plautus also uses it transitively, of something that must be guarded against and seen to,[2] and Terence with a dative, of looking out for oneself.[2] Cicero speaks of wrongs that are very hard to guard against, and Livy uses it with an indirect question, of taking care who sits at the helm.[4][2] Ecclesiastical Latin kept the senses “take precautions, provide for the future”.[5]

Timeline

  • c. 250–184 BC – Plautus uses it for “beware” and “guard against”.[2][6]
  • 190–159 BC – Terence uses it with a dative.[2][6]
  • 81–43 BC – Cicero speaks of wrongs hard to guard against.[4][6]
  • 59 BC–17 AD – Livy uses it with an indirect question.[2][6]

Meanings

Verb

  1. (intransitive) To be on one's guard, take precautions, beware; with a dative, to look out for (someone).[2][4]
  2. (transitive) To guard against, seek to avert or prevent; to take care (that).[2][4]

Word family

  • praecautiō
  • praecautus

References

  1. ^ a b c d 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. ^ a b 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 d Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  6. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry

“Praecaveo.” Etymologically, 20 Oct. 2026, etymologically.com/la/praecaveo. Accessed 20 Oct. 2026.

Last edited on . ·