Where does “kail-” come from?
kail- (Proto-Baltic) comes from Proto-Indo-European koil-, from Proto-Indo-European ḱei- — to lie with, store, be familiar.
Ancestry of “kail-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Indo-European | koil- | safe, unharmed |
| 2 | Proto-Indo-European | ḱei- | to lie with, store, be familiar |