LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

interneciō

interneciō f (genitive interneciōnis)

Meaning

  1. massacre, slaughter, carnage
  2. destruction, extermination
    Quare ne committeret ut is locus ubi constitissent ex calamitate populi Romani et internecione exercitus nomen caperet aut memoriam proderet.Wherefore let him not bring it to pass that the place where they were standing should acquire a name from the disaster of the Roman people and the destruction of their army or transmit the remembrance [of such an event to posterity].c. 52 BCE, Julius Caesar, Commentarii de bello Gallico 1.13

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominativeinterneciōinterneciōnēs
interniciōnēs, internitiōnēs
genitiveinterneciōnis
interniciōnis, internitiōnis
interneciōnum
interniciōnum, internitiōnum
dativeinterneciōnī
interniciōnī, internitiōnī
interneciōnibus
interniciōnibus, internitiōnibus
accusativeinterneciōnem
interniciōnem, internitiōnem
interneciōnēs
interniciōnēs, internitiōnēs
ablativeinterneciōne
interniciōne, internitiōne
interneciōnibus
interniciōnibus, internitiōnibus
vocativeinterneciōinterneciōnēs
interniciōnēs, internitiōnēs

Phrases from Meissner's Latin Phrase-Book

hostes ad internecionem caedere, delere (Liv. 9. 26)
to absolutely annihilate the enemy.
gentem ad internecionem redigere or adducere (B. G. 2. 28)
to completely annihilate a nation.

internĕcĭo (-nĭcĭo), ōnis, f. interneco,
I. a massacre, general slaughter, carnage, utter destruction, extermination (class.): neque resisti sine internecione posse arbitramur, Cic. Att. 2, 20: civium, id. Cat. 3, 10: bella, quae ad internecionem gesta sunt, Nep. Eum. 3: Lucerini ad internecionem caesi, all put to the sword, Liv. 9, 26: ad internecionem deleri, to be utterly destroyed, id. 9, 45: ad internecionem redigi, Caes. B. G. 2, 28: armis inter se ad internecionem concurrerunt, till they despatched one another, Suet. Oth. 12: persequi aliquem ad internecionem, Curt. 4, 11.—
B. Of inanim. things: vineta ad internecionem perducere, Col. 4, 22, 8: memoriae, i. e. an utter loss of memory, Plin. 14 prooem. § 3.

Origins

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁n̥tér
  3. Proto-Italic*n̥ter
  4. Latininterneciō

Latin inter- Latin necō Latin interneco Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ō Latin -iō Latin interneciō From interneco (“to kill, destroy”) + -iō.

Quick answers

What does interneciō mean in Latin?
interneciō, a noun, means “massacre, slaughter, carnage; destruction, extermination”.
What is the genitive of interneciō?
The genitive singular is interneciōnis. interneciō is feminine, third declension.
Where does interneciō come from?
Proto-Indo-European *h₁én → Proto-Indo-European *h₁n̥tér → Proto-Italic *n̥ter → Latin interneciō.