Where does “circadiano” come from?
circadiano (Portuguese) comes from Portuguese dia, from Old Portuguese dia, from Vulgar Latin dia, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws — to be bright; sky, heaven.
circadiano (Portuguese): circadian
Definitions
- circadian
Ancestry of “circadiano”, step by step
circadiano traces back through two separate lines of ancestry.
via Portuguese dia
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Portuguese | dia | day; occurring on the specified day of the month |
| 2 | Old Portuguese | dia | day |
| 3 | Vulgar Latin | dia | inflection of dius: ## nominative/vocative... |
| 4 | Latin | diēs | A day, particularly |
| 5 | Proto-Italic | djēm | accusative singular of *djous |
| 6 | Proto-Italic | *djous | — |
| 7 | Proto-Indo-European | dyḗws | sky, heaven; sky god |
| 8 | Proto-Indo-European | dyéws | sky, heaven |
| 9 | Proto-Indo-European | dyew- | to be bright; sky, heaven |