Where does “kay” come from?
kay (Manx) comes from Portuguese céo, from Proto-Celtic *kiwos, from Proto-Indo-European (s)ḱih₃-wó-s, from Proto-Indo-European (s)ḱeh₃- — darkness, shadow.
kay (Manx): fog
Ancestry of “kay”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Portuguese | céo | Superseded spelling of céu |
| 2 | Proto-Celtic | *kiwos | — |
| 3 | Proto-Indo-European | (s)ḱih₃-wó-s | — |
| 4 | Proto-Indo-European | (s)ḱeh₃- | darkness, shadow |