Where does “-ennium” come from?
-ennium (Latin) comes from Latin -ennis, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.
-ennium (Latin): forming periods of years
Ancestry of “-ennium”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | -ennis | — |
| 2 | Latin | annus | year; time; season |
| 3 | Proto-Italic | atnos | year |
| 4 | Proto-Indo-European | h₂et-no- | — |
| 5 | Proto-Indo-European | h₂et- | grass |
Words derived from “-ennium”