Where does “triennium” come from?

triennium (Latin) comes from Latin triennis, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

triennium (Latin): a period of three years, triennium

Definitions

  1. a period of three years, triennium

Ancestry of “triennium”, step by step

StepLanguageWordMeaning
1Latintriennisthree-year-old
2Latinannusyear; time; season
3Proto-Italicatnosyear
4Proto-Indo-Europeanh₂et-no-—
5Proto-Indo-Europeanh₂et-grass

Words derived from “triennium”

Every word from Proto-Indo-European h₂et- →Every word from Proto-Indo-European h₂et-no- →Every word from Proto-Italic atnos →
triennium — Etymology, Origin & Word History | Etymology Explorer