Where does “Kos” come from?
Kos (Polish) comes from Proto-Slavic kǫsъ, from Proto-Slavic kǫsati, from Proto-Slavic kǫ̑sъ — piece.
Ancestry of “Kos”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | kǫsъ | piece |
| 2 | Proto-Slavic | kǫsati | to bite |
| 3 | Proto-Slavic | kǫ̑sъ | piece |