cognoscoとは 意味・読み方・使い方

語源

From con- (prefix indicating completion) +‎ gnōscō (“to know”).

発音

• (Classical Latin) IPA: [kɔŋˈnoːs.koː]
• (modern Italianate Ecclesiastical) IPA: [koɲˈɲɔs.ko]

動詞

cognōscō (present infinitive cognōscere, perfect active cognōvī, supine cognitum); third conjugation

1. to learn, to get to know

   Synonyms: agnōscō, inveniō, sentiō, cōnsciō, sapiō, sciō, nōscō, scīscō, intellegō, percipiō, discernō, comperiō, tongeō, cernō, audiō

   Antonyms: ignōrō, nesciō

   ab (or ex) aliqua cognoscere ― to learn from someone

   • c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico 1.21:

     Eodem die ab exploratoribus certior factus hostes sub monte consedisse milia passuum ab ipsius castris octo, qualis esset natura montis et qualis in circuitu ascensus qui cognoscerent misit.

     Having been informed by explorers that the enemy had sat down at the feet of a mount about eight thousand paces away from his camp, he [Julius Caesar] sent men to know what the mount was like and what was its ascent.

   • 405 CE, Jerome, Vulgate Ecclesiastes.3.12–13:

     Et cognovi quod non esset melius nisi laetari et facere bene in vita sua.
     Omnis enim homo qui comedit et bibit et videt bonum de labore suo: hoc donum Dei est.

     And I learned that there's nothing better than to be happy and do good in one's life. Every person who eats and drinks and sees the fruit of work: this is God's gift.

2. to be acquainted (with someone), recognize, apprehend
   • c. 194 BCE, Plautus, Poenulus 5.3.11–12:

     [Giddenis] "Cognoscin Giddenenem ancillam tuam?". [Hanno] Novi.

     "Do you know Giddenes, your servant maid?" "I know her".

3. (in perfect tense) to know, perceive, understand

   Synonyms: comprehendō, dēprehendō, apprehendō, accipiō, concipiō, teneō, apīscor, capiō, complector, excipiō, cōnsequor, exaudiō

   • 86 BCE – c. 35 BCE, Sallust, Jugurtha 79:

     Cyrenenses tardius iere. Id socordiane an casu adciderit, parum cognovi.

     The Cyrenians went late. I know little about whether this event of laziness truly happened.

   • 106 BCE – 43 BCE, Cicero, Ad Atticum 15.17:

     De consulum ficto timore cognoveram; Sicca enim φιλοστόργως ille quidem sed tumultuosius ad me etiam illam suspicionem pertulit.

     I knew about the consuls' imagined fear; our beloved man Sicca told me of course, even if rather disturbed, about that speculation too.

4. to have sex with, (biblical) to know
   • 43 BCE – c. 17 CE, Ovid, The Heroines 6.133–4:

     Turpiter illa virum cognovit adultera virgo;
     me tibi, teque mihi, taeda pudica dedit.

     Shamelessly, she lay with a man as an adulterous virgin, (but) a chaste wedding torch gave me to you, and you to me.

   • 405 CE, Jerome, Vulgate Genesis.4.1:

     Adam vero cognovit Havam uxorem suam, quae concepit et peperit Cain

     Adam knew his wife Eve, who conceived and gave birth to Cain

Conjugation

The verb "nōscō" and its compounds frequently drop the syllables "vi" and "ve" from their perfect, pluperfect and future perfect conjugations.

派生語

• accognōscō
• cognitiō
• incognitus
• praecognōscō
• recognōscō

派生した語

Relexes of the Late Latin variant conōscō:

参照

• Walther von Wartburg (1928–2002), “cognoscere”, in Französisches Etymologisches Wörterbuch, volume 2: C Q K, page 848

Further reading

• “cognosco”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “cognosco”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “cognosco”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎, London: Macmillan and Co.
  • to study Plato: Platonem legere et cognoscere
    
  • to hold an inquiry into a matter: aliquid, causam cognoscere
    
• cognosco in Ramminger, Johann (16 July 2016 (last accessed)), Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎, pre-publication website, 2005-2016
• cognosco in Enrico Olivetti, editor (2003-2025), Dizionario Latino, Olivetti Media Communication