Where does “स्वप्” come from?
स्वप् (Sanskrit) comes from Sanskrit सु-, from Proto-Indo-Aryan Hsu-, from Proto-Indo-Iranian Hsu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.
Ancestry of “स्वप्”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Sanskrit | सु- | good, well |
| 2 | Proto-Indo-Aryan | Hsu- | — |
| 3 | Proto-Indo-Iranian | Hsu- | good |
| 4 | Proto-Indo-European | h₁su- | good |
| 5 | Proto-Indo-European | h₁wes- | good; to be cheerful, happy; to eat, to feast |