Where does “wy” come from?
wy (Middle Welsh) comes from Old Welsh ui, from Proto-Celtic āwyom, from Proto-Indo-European h₂ōwyóm, from Proto-Indo-European h₂éwis — bird.
Ancestry of “wy”, step by step
wy traces back through two separate lines of ancestry.
via Old Welsh ui
| Step | Language | Word | Meaning |
|---|
| 1 | Old Welsh | ui | — |
| 2 | Proto-Celtic | āwyom | egg |
| 3 | Proto-Indo-European | h₂ōwyóm | egg |
| 4 | Proto-Indo-European | h₂éwis | bird |
via English eyes
| Step | Language | Word | Meaning |
|---|
| 1 | English | eyes | plural of eye; Third-person singular simple... |
| 2 | Proto-Indo-European | éy | the; demonstrative pronoun; this one, he |
| 3 | Proto-Indo-European | h₁e- | — |