Where does “tollán” come from?
tollán (Irish) comes from Irish toll, from Old Irish tollaid, from Old Irish toll, from Proto-Celtic tullos, from Proto-Indo-European (s)tew- — to push, to hit.
tollán (Irish): tunnel
Ancestry of “tollán”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | toll | hole, hollow; posterior, buttocks; pierced,... |
| 2 | Old Irish | tollaid | pierces; penetrates |
| 3 | Old Irish | toll | pierced, perforated; hollow, empty; hole, hollow;... |
| 4 | Proto-Celtic | tullos | pierced, perforated; hollow |
| 5 | Proto-Indo-European | (s)tew- | to push, to hit |