Where does “arco-íris” come from?
arco-íris (Portuguese) comes from Portuguese arco, from Old Portuguese arco, from Latin arcus, from Latin solium, from Proto-Indo-European sodyom, from Proto-Indo-European sḗd-.
arco-íris (Portuguese): rainbow
Ancestry of “arco-íris”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Portuguese | arco | arc; arc, curve; arch |
| 2 | Old Portuguese | arco | — |
| 3 | Latin | arcus | arc, arch; bow; rainbow |
| 4 | Latin | solium | seat, chair; throne, chair of state, official... |
| 5 | Proto-Indo-European | sodyom | — |
| 6 | Proto-Indo-European | sḗd- | — |