Where does “toitcheo” come from?
toitcheo (Irish) comes from Irish ceó, from Portuguese céo, from Proto-Celtic *kiwos, from Proto-Indo-European (s)ḱih₃-wó-s, from Proto-Indo-European (s)ḱeh₃- — darkness, shadow.
toitcheo (Irish): smog
Ancestry of “toitcheo”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | ceó | Superseded spelling of ceo |
| 2 | Portuguese | céo | Superseded spelling of céu |
| 3 | Proto-Celtic | *kiwos | — |
| 4 | Proto-Indo-European | (s)ḱih₃-wó-s | — |
| 5 | Proto-Indo-European | (s)ḱeh₃- | darkness, shadow |