Where does “decenne” come from?

decenne (Italian) comes from Latin decennis, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

decenne (Italian): ten years old

Definitions

  1. ten years old

Ancestry of “decenne”, step by step

StepLanguageWordMeaning
1Latindecennisdecennial, of ten years
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 →