LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

triangulum

triangulum n (genitive triangulī)
Classical[triˈaŋ.ɡʊ.ɫũː]Ecclesiastical[triˈaŋ.ɡu.lum]

Meaning

  1. neutertriangle

Declension

declension
formsingularplural
nominativetriangulumtriangula
genitivetriangulītriangulōrum
dativetriangulōtriangulīs
accusativetriangulumtriangula
triangulōs
ablativetriangulōtriangulīs
vocativetriangulum
triangule		triangula

Origins

  1. Proto-Indo-European*tréyes
  2. Proto-Italic*trejes
  3. Proto-Italic*trēs
  4. Latintriangulum

Proto-Indo-European *h₂eng- Proto-Indo-European *h₂engulos Proto-Italic *angulos Latin angulus Latin triangulus Latin triangulum From triangulus (“three-cornered, triangular”).

Descendants
  • Catalantriangle
  • Frenchtriangle
  • Italiantriangolo
  • Occitantriangle
  • Portuguesetriângulo
  • Romaniantriunghi
  • Spanishtriángulo
  • Aragonesetrianglo
  • Asturiantriángulu
  • Corsicantriangulu

Quick answers

What does triangulum mean in Latin?
triangulum, a noun, means “triangle”.
What is the genitive of triangulum?
The genitive singular is triangulī. triangulum is neuter, second declension.
How do you pronounce triangulum?
In classical Latin, [triˈaŋ.ɡʊ.ɫũː]; in ecclesiastical (church) Latin, [triˈaŋ.ɡu.lum].
Where does triangulum come from?
Proto-Indo-European *tréyes → Proto-Italic *trejes → Proto-Italic *trēs → Latin triangulum.