Where does “septennium” come from?
septennium (English) comes from Latin septennium, from Latin septuennium, from Latin septuennis, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.
septennium (English): A period of seven years
Ancestry of “septennium”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | septennium | Alternative spelling of septuennium; a period of... |
| 2 | Latin | septuennium | septennium, †septenniad |
| 3 | Latin | septuennis | seven-year-old |
| 4 | Latin | annus | year; time; season |
| 5 | Proto-Italic | atnos | year |
| 6 | Proto-Indo-European | h₂et-no- | — |
| 7 | Proto-Indo-European | h₂et- | grass |