Where does “triennio” come from?

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

triennio (Latin): dative singular of triennium; ablative singular...

Definitions

  1. dative singular of triennium; ablative singular...

Ancestry of “triennio”, step by step

StepLanguageWordMeaning
1Latintrienniuma period of three years, triennium
2Latintriennisthree-year-old
3Latinannusyear; time; season
4Proto-Italicatnosyear
5Proto-Indo-Europeanh₂et-no-—
6Proto-Indo-Europeanh₂et-grass
Every word from Proto-Indo-European h₂et- →Every word from Proto-Indo-European h₂et-no- →Every word from Proto-Italic atnos →