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-)
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
- (intransitive) To be on one's guard, take precautions, beware; with a dative, to look out for (someone).[2][4]
- (transitive) To guard against, seek to avert or prevent; to take care (that).[2][4]
Word family
- praecautiō
- praecautus
Related words
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ 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
- ^ 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
- ^ a b c d Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ 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.
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