Where does “seiz” come from?
seiz (Middle Breton) comes from Old Breton seith, from Proto-Brythonic seiθ, from Proto-Celtic sextam, from Proto-Indo-European septḿ̥ — seven.
Ancestry of “seiz”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Breton | seith | — |
| 2 | Proto-Brythonic | seiθ | seven |
| 3 | Proto-Celtic | sextam | seven |
| 4 | Proto-Indo-European | septḿ̥ | seven |