Where does “gwirioù” come from?
gwirioù (Breton) comes from Breton gwir, from Proto-Brythonic gwir, from Proto-Celtic wīros, from Proto-Indo-European weh₁ros, from Proto-Indo-European weh₁- — true.
Ancestry of “gwirioù”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Breton | gwir | right, true, correct; truth; right |
| 2 | Proto-Brythonic | gwir | true |
| 3 | Proto-Celtic | wīros | true |
| 4 | Proto-Indo-European | weh₁ros | true |
| 5 | Proto-Indo-European | weh₁- | true |