Where does “decennium” come from?

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

decennium (Latin): decennium; decade

Definitions

  1. decennium; decade

Ancestry of “decennium”, step by step

decennium 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 decies

StepLanguageWordMeaning
1Latindecies—
2Latin-iesUsed to form an abstract noun, usually from an...
3Proto-Indo-European-yḗh₂s—

Words derived from “decennium”

Every word from Proto-Indo-European h₂et- →