Where does “*suptás” come from?
*suptás (Proto-Indo-Iranian) comes from Proto-Indo-European *sup-tó-s, from Proto-Indo-European swep- — to sleep.
Ancestry of “*suptás”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Indo-European | *sup-tó-s | — |
| 2 | Proto-Indo-European | swep- | to sleep |