Where does “bienio” come from?

bienio (Spanish) comes from Latin biennium, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

bienio (Spanish): A period of two years; biennium

Definitions

  1. A period of two years; biennium

Ancestry of “bienio”, step by step

StepLanguageWordMeaning
1Latinbienniumbiennium; genitive masculine plural of biennis;...
2Latinannusyear; time; season
3Proto-Italicatnosyear
4Proto-Indo-Europeanh₂et-no-
5Proto-Indo-Europeanh₂et-grass
Every word from Proto-Indo-European h₂et-Every word from Proto-Indo-European h₂et-no-Every word from Proto-Italic atnos