Where does “retha” come from?
retha (Old Dutch) comes from Proto-West Germanic *raþ(þ)jā, from Proto-Germanic raþjǭ, from Proto-Indo-European h₂reh₁-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.
Ancestry of “retha”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-West Germanic | *raþ(þ)jā | — |
| 2 | Proto-Germanic | raþjǭ | account, reasoning |
| 3 | Proto-Indo-European | h₂reh₁- | to think, reason; to arrange |
| 4 | Proto-Indo-European | h₂er- | to fit, to fix, to put together |