Where does “seacht-” come from?
seacht- (Irish) comes from Irish seacht, from Old Irish secht, from Proto-Celtic sextam, from Proto-Indo-European septḿ̥ — seven.
seacht- (Irish): hepta-; sevenfold
Ancestry of “seacht-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | seacht | seven |
| 2 | Old Irish | secht | seven |
| 3 | Proto-Celtic | sextam | seven |
| 4 | Proto-Indo-European | septḿ̥ | seven |