Where does “kos” come from?
kos (Middle Dutch) comes from Old Dutch kos, from Proto-West Germanic koss, from Proto-Germanic kussaz — kiss.
Ancestry of “kos”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Dutch | kos | — |
| 2 | Proto-West Germanic | koss | kiss |
| 3 | Proto-Germanic | kussaz | kiss |