Where does “martes” come from?
martes (Galician) comes from Old Portuguese martes, from Latin Martis dies, from Latin dies Martis, from Latin dies, from Latin diem, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws — to be bright; sky, heaven.
martes (Galician): Tuesday
Ancestry of “martes”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Portuguese | martes | Tuesday |
| 2 | Latin | Martis dies | — |
| 3 | Latin | dies Martis | Tuesday |
| 4 | Latin | dies | A day, "particularly:" |
| 5 | Latin | diem | accusative singular of diēs |
| 6 | Proto-Italic | djēm | accusative singular of *djous |
| 7 | Proto-Italic | *djous | — |
| 8 | Proto-Indo-European | dyḗws | sky, heaven; sky god |
| 9 | Proto-Indo-European | dyéws | — |
| 10 | Proto-Indo-European | dyew- | to be bright; sky, heaven |