operio

From Proto-Italic *opwerjō, from Proto-Indo-European *h₁ópi (“at, near”) (whence ob) + *h₂wer- (“to cover, shut”) +‎ *-ye-. Cognate with Sanskrit अपिवृणोति (apivṛṇoti, “to close, cover”), Oscan veru (“door”, pl.), Ancient Greek ἀείρω (aeírō, “to lift, raise”), Lithuanian atvérti (“to open”), Proto-Slavic *ot(ъ)verti (“to open”), and Old Armenian գեր (ger, “above, hyper-”). See also aperiō.

• (Classical Latin) IPA^(key):
• (modern Italianate Ecclesiastical) IPA^(key):

operiō (present infinitive operīre, perfect active operuī, supine opertum); fourth conjugation

1. to cover (over something); envelop
2. (by extension) to shut, close

   Synonyms: inclūdō, interclūdō, claudō, intersaepiō, arceō, obserō

   Antonyms: adaperiō, aperiō, patefaciō

3. (figuratively) to hide, conceal, dissemble

   Synonyms: vēlō, dissimulō, occultō, indūcō, obnūbō, occulō, condō, recondō, verrō, obruō, adoperiō, nūbō, tegō, abdō, abscondō, comprimō, prōtegō, cooperiō, premō, opprimō, mergō

   Antonyms: adaperiō, aperiō

4. (figuratively) to overwhelm, burden
5. (figuratively, of a sin) to atone for, cover, cause to be forgotten

• “operio”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “operio”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• operio in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • to uncover one's head: caput aperire (opp. operire)
    
  • to close the eyes of a dying person: oculos operire (morienti)
    
  • (ambiguous) to put the finishing touch to a work: extrema manus accēdit operi (active extremam manum imponere operi)