Where does “*serdъ” come from?
*serdъ (Proto-Slavic) comes from Proto-Balto-Slavic śerd-, from Proto-Indo-European ḱerd- — heart.
Ancestry of “*serdъ”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Balto-Slavic | śerd- | — |
| 2 | Proto-Indo-European | ḱerd- | heart |