Where does “díu” come from?
díu (Old Irish) comes from Old Irish día, from Proto-Italic deiwos, from Proto-Indo-European deywós, from Proto-Indo-European dyew- — to be bright; sky, heaven.
díu (Old Irish): dative singular of día
Ancestry of “díu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Irish | día | day; god |
| 2 | Proto-Italic | deiwos | god, deity |
| 3 | Proto-Indo-European | deywós | god |
| 4 | Proto-Indo-European | dyew- | to be bright; sky, heaven |