LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

dēcursiō

dēcursiō f (genitive dēcursiōnis)
Classical[deːˈkʊr.si.oː]Ecclesiastical[deˈkur.si.o]

Meaning

  1. running or flowing down
  2. raid, inroad, manœuvre, military exercise, evolution, a descent, hostile attack

Declension

declension
formsingularplural
nominativedēcursiōdēcursiōnēs
genitivedēcursiōnisdēcursiōnum
dativedēcursiōnīdēcursiōnibus
accusativedēcursiōnemdēcursiōnēs
ablativedēcursiōnedēcursiōnibus
vocativedēcursiōdēcursiōnēs

dēcursĭo, ōnis, f. decurro,
I. a running or flowing down (less freq. than decursus; not in Cic.).
I. In gen.: aquae, Arn. 2, p. 84.—
II. In partic., milit. t. t., a manœuvre, military exercise, evolution, a descent, hostile attack, Brutus ap. Cic. Fam. 11, 10, 4; Hirt. B. G. 8, 24, 3; Auct. B. Alex. 42.—Hence,
B. Transf., a walking or running in complete armor at a solemnity or for exercise, Suet. Calig. 18; id. Galb. 6.

Origins

From dēcurrō (“to run downward, to rush”) + -tiō (“-tion: forming abstract nouns”), from de- (“down, downward”) + curro (“to run”), from Proto-Italic *korzō, from Proto-Indo-European *ḱers- (“to run”). Equivalent to de- + cursio.

In the Academy Smith's classical dictionaries

Quick answers

What does dēcursiō mean in Latin?
dēcursiō, a noun, means “running or flowing down; raid, inroad, manœuvre, military exercise, evolution, a descent, hostile attack”.
What is the genitive of dēcursiō?
The genitive singular is dēcursiōnis. dēcursiō is feminine, third declension.
How do you pronounce dēcursiō?
In classical Latin, [deːˈkʊr.si.oː]; in ecclesiastical (church) Latin, [deˈkur.si.o].