Where does “tosach” come from?
tosach (Old Irish) comes from Proto-Celtic towissākos, from Proto-Celtic *towissus, from Proto-Celtic wissus, from Proto-Indo-European wéydtus, from Proto-Indo-European weyd- — to see.
tosach (Old Irish): beginning
Ancestry of “tosach”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Celtic | towissākos | chief, primary, first |
| 2 | Proto-Celtic | *towissus | — |
| 3 | Proto-Celtic | wissus | act of discovering, finding out; knowledge |
| 4 | Proto-Indo-European | wéydtus | — |
| 5 | Proto-Indo-European | weyd- | to see |
Words derived from “tosach”