Where does “decennary” come from?

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

decennary (English): Decennial: of or related to a ten-year period; A...

Definitions

  1. Decennial: of or related to a ten-year period; A...

Ancestry of “decennary”, step by step

decennary traces back through two separate lines of ancestry.

via Latin decennis

StepLanguageWordMeaning
1Latindecennisdecennial, of ten years
2Latinannusyear; time; season
3Proto-Italicatnosyear
4Proto-Indo-Europeanh₂et-no-
5Proto-Indo-Europeanh₂et-grass

via Latin decennārius

StepLanguageWordMeaning
1Latindecennārius
Every word from Proto-Indo-European h₂et-Every word from Proto-Indo-European h₂et-no-Every word from Proto-Italic atnos