Where does “derbṡiur” come from?
derbṡiur (Old Irish) comes from Old Irish derb, from Proto-Celtic derwos, from Proto-Indo-European drewh₂-, from Proto-Indo-European dóru, from Proto-Indo-European drew- — hard, firm, strong, solid; hard, fast; tree.
Ancestry of “derbṡiur”, step by step
derbṡiur traces back through two separate lines of ancestry.
via Old Irish derb
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Old Irish | derb | sure, certain, fixed, determinate |
| 2 | Proto-Celtic | derwos | firm |
| 3 | Proto-Indo-European | drewh₂- | steady, firm |
| 4 | Proto-Indo-European | dóru | tree |
| 5 | Proto-Indo-European | drew- | hard, firm, strong, solid; hard, fast; tree |
via Old Irish siur
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Old Irish | siur | sister; kinswoman, female relation |
| 2 | Proto-Celtic | swesūr | sister |
| 3 | Proto-Indo-European | swésōr | sister |
| 4 | Proto-Indo-European | su-h₁ésh₂-ōr | — |
| 5 | Proto-Indo-European | h₁ésh₂r̥ | blood |