Where does “castelli” come from?
castelli (Welsh) comes from Welsh i, from Middle Welsh y, from Old Welsh ir, from Proto-Celtic sindos, from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.
Ancestry of “castelli”, step by step
castelli traces back through two separate lines of ancestry.
via Welsh i
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Welsh | i | I, me; to, for; that |
| 2 | Middle Welsh | y | his, its with reference to a masculine noun; triggers soft mutation of following consonant |
| 3 | Old Welsh | ir | the |
| 4 | Proto-Celtic | sindos | this |
| 5 | Proto-Indo-European | sḗm | one |
| 6 | Proto-Indo-European | sem- | together, one |
via Welsh castell
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Welsh | castell | castle; rook |
| 2 | Latin | castellum | castle, fort, citadel, fortress, stronghold; a... |
| 3 | Latin | castrum | castle, fort, fortress; camp, especially a... |
| 4 | Proto-Italic | kastrom | knife |
| 5 | Proto-Indo-European | ḱos-tróm | — |
| 6 | Proto-Indo-European | ḱes- | to cut off, separate; to cut up, to slaughter; to... |