Where does “quadrennium” come from?

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

quadrennium (English): A period of 4 years, the sets of four years in...

Definitions

  1. A period of 4 years, the sets of four years in...

Ancestry of “quadrennium”, step by step

StepLanguageWordMeaning
1Latinquadrennium
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