Where does “tīesdei” come from?
tīesdei (Old Frisian) comes from Proto-Germanic *Tīwas dag, from Latin dīēs Martis, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws, from Proto-Indo-European dyew- — to be bright; sky, heaven.
Ancestry of “tīesdei”, step by step
tīesdei traces back through two separate lines of ancestry.
via Proto-Germanic *Tīwas dag
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Proto-Germanic | *Tīwas dag | — |
| 2 | Latin | dīēs Martis | Tuesday |
| 3 | Latin | diēs | A day, particularly |
| 4 | Proto-Italic | djēm | accusative singular of *djous |
| 5 | Proto-Italic | *djous | — |
| 6 | Proto-Indo-European | dyḗws | sky, heaven; sky god |
| 7 | Proto-Indo-European | dyéws | sky, heaven |
| 8 | Proto-Indo-European | dyew- | to be bright; sky, heaven |
via West Germanic *Tīwas dag
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | West Germanic | *Tīwas dag | — |