LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

triennium

triennium n (genitive trienniī or triennī)
Classical[triˈɛn.ni.ũː]Ecclesiastical[triˈɛn.ni.um]

Meaning

  1. neutera period of three years, triennium
    In eadem causa fuerunt Usipetes et Tencteri, quos supra diximus; qui complures annos Sueborum vim sustinuerunt, ad extremum tamen agris expulsi et multis locis Germaniae triennium vagati ad Rhenum pervenerunt, quas regiones Menapii incolebant.In that same matter there were the Usipetes and the Tencteri, whom we talked already; they aided the Suebi for many years, but in the end they were cast away from the fields and after wandering for three years through many parts of Germany they came to the Rhine, in the regions inhabited by the Menapii.c. 52 BCE, Julius Caesar, Commentarii de bello Gallico IV.4

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominativetrienniumtriennia
genitivetrienniī
triennī
trienniōrum
dativetrienniōtrienniīs
accusativetrienniumtriennia
ablativetrienniōtrienniīs
vocativetrienniumtriennia

trĭennĭum, ii, n. (sc. spatium) [id.],
I. the space of three years, three years: biennium aut triennium est, cum virtuti nuntium remisisti, Cic. Fam. 15, 16, 3; Plaut. Mil. 2, 3, 79; id. Most. 2, 2, 10; id. Stich. 1, 2, 80; 1, 3, 61; Cic. Q. Fr. 1, 1, 2, § 8; Caes. B. G. 4, 4; Auct. B. Afr. 19, 3 al.

Origins

Synchronically, from triennis + -ium.

Descendants
  • Catalantrienni
  • Englishtriennium
  • Portuguesetriénio
  • Portuguesetriênio
  • Galiciantrienio

In English words that came into English from triennium

  • triennialtriennium
  • trienniumtriennium

Quick answers

What does triennium mean in Latin?
triennium, a noun, means “a period of three years, triennium”.
What is the genitive of triennium?
The genitive singular is trienniī. triennium is neuter, second declension.
How do you pronounce triennium?
In classical Latin, [triˈɛn.ni.ũː]; in ecclesiastical (church) Latin, [triˈɛn.ni.um].