LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

dēfēnsiō

dēfēnsiō f (genitive dēfēnsiōnis)
Classical[deːˈfẽː.si.oː]Ecclesiastical[deˈfɛn.si.o]

Meaning

  1. defence, protection

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominativedēfēnsiōdēfēnsiōnēs
genitivedēfēnsiōnisdēfēnsiōnum
dativedēfēnsiōnīdēfēnsiōnibus
accusativedēfēnsiōnemdēfēnsiōnēs
ablativedēfēnsiōnedēfēnsiōnibus
vocativedēfēnsiōdēfēnsiōnēs

dēfensĭo, ōnis, f. defendo, no. II.,
I. a defending, defence.
I. Prop.: Remis cum spe defensionis studium propugnandi accessit, Caes. B. G. 2, 7, 2.—With gen. subj.: urbium, id. ib. 7, 23, 5; id. B. C. 2, 7 fin.: ad istam omnem orationem brevis est defensio, Cic. Cael. 4; Cic. Verr. 2, 3, 88; id. Mil. 6, 15: nostra propugnatio ac defensio dignitatis tuae, id. Fam. 1, 7, 2 et saep.— With gen. obj.: defensio criminis, Quint. 7, 4, 3: criminum, Liv. 38, 49, 6: sceleris, Just. 39, 2, 8.—
B. Concr., a written defence, speech: defensionem Demosthenes legit, Plin. 7, 30, 31, § 110.—
II. As jurid. t. t.
a. The legal maintenance of a right: libertatis, Cod. Just. 1, 7, 18.—
b. (Acc. to defendo, no. II. B. 2.) Legal prosecution, punishment of a crime: mortis, Dig. 29, 5, 1, § 25.

Origins

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindēfēnsiō

Latin dē- Proto-Indo-European *gʷʰen- Proto-Indo-European *dʰeh₁- Proto-Indo-European *-eti Proto-Indo-European *-dʰh₁eti Proto-Indo-European *-dʰeti Proto-Indo-European *gʷʰéndʰeti Proto-Italic *xʷendō Proto-Italic *fendō Latin *fendō Latin dēfendō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin dēfēnsiō From dēfendō + -tiō.

Romance
  • Italiandifensione
  • Portuguesedefensão
  • Romaniandefensie
  • Spanishdefensión
  • Old Frenchdefension
Later borrowings
  • Austrian GermanDefensio

Quick answers

What does dēfēnsiō mean in Latin?
dēfēnsiō, a noun, means “defence, protection”.
What is the genitive of dēfēnsiō?
The genitive singular is dēfēnsiōnis. dēfēnsiō is feminine, third declension.
How do you pronounce dēfēnsiō?
In classical Latin, [deːˈfẽː.si.oː]; in ecclesiastical (church) Latin, [deˈfɛn.si.o].
Where does dēfēnsiō come from?
Proto-Indo-European *de → Proto-Indo-European *déh₁ → Proto-Italic *dē → Latin dēfēnsiō.