Where does “deusain” come from?
deusain (Welsh) comes from Proto-Indo-European deu-, from Middle Welsh deu, from Proto-Brythonic *dow, from Proto-Celtic *duwo, from Proto-Indo-European dwóh₁ — two.
deusain (Welsh): diphthong
Definitions
- diphthong
Ancestry of “deusain”, step by step
deusain traces back through two separate lines of ancestry.
via Proto-Indo-European deu-
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Proto-Indo-European | deu- | lack, fail; to injure, destroy, burn; to do,... |
| 2 | Middle Welsh | deu | two |
| 3 | Proto-Brythonic | *dow | two |
| 4 | Proto-Celtic | *duwo | two |
| 5 | Proto-Indo-European | dwóh₁ | two |
via Welsh sain
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Welsh | sain | sound |