Where does “Ísiltíris” come from?
Ísiltíris (Irish) comes from Irish ísiltír, from Irish íseal, from Old Irish ísel, from Proto-Celtic *ɸīsselos, from Proto-Celtic ɸīssu, from Proto-Indo-European pedsú, from Proto-Indo-European pṓds, from Proto-Indo-European póds — to walk, to step; to stumble, to fall.
Ancestry of “Ísiltíris”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | ísiltír | low-lying country |
| 2 | Irish | íseal | low; lowly; commoner |
| 3 | Old Irish | ísel | low; lowly |
| 4 | Proto-Celtic | *ɸīsselos | — |
| 5 | Proto-Celtic | ɸīssu | under |
| 6 | Proto-Indo-European | pedsú | — |
| 7 | Proto-Indo-European | pṓds | foot |
| 8 | Proto-Indo-European | póds | — |
| 9 | Proto-Indo-European | ped- | to walk, to step; to stumble, to fall |