Where does “ēth” come from?
ēth (Old Saxon) comes from Proto-West Germanic aiþ, from Proto-Germanic aiþaz, from Proto-Indo-European oyt-.
Ancestry of “ēth”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-West Germanic | aiþ | oath |
| 2 | Proto-Germanic | aiþaz | oath |
| 3 | Proto-Indo-European | oyt- | — |