Where does “óac” come from?
óac (Old Irish) comes from Proto-Celtic yowankos, from Proto-Indo-European h₂yuh₁n̥ḱós, from Proto-Indo-European h₂yuh₁en-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.
Ancestry of “óac”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Celtic | yowankos | young |
| 2 | Proto-Indo-European | h₂yuh₁n̥ḱós | — |
| 3 | Proto-Indo-European | h₂yuh₁en- | young |
| 4 | Proto-Indo-European | h₂ey- | vital force, life, age, eternity; day, morning |