Triennium Definition

trī-ĕnē-əm
triennia, trienniums
noun
A period of three years.
Webster's New World

Other Word Forms of Triennium

Noun

Singular:
triennium
Plural:
triennia, trienniums

Origin of Triennium

  • Latin tri- tri- annus year at- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin triennium.

    From Wiktionary

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triennium