Where does “dau ddeg un” come from?
dau ddeg un (Welsh) comes from Welsh un, from Middle Welsh un, from Proto-Brythonic ʉn, from Proto-Celtic oinos, from Proto-Indo-European óynos — one; single.
dau ddeg un (Welsh): twenty-one
Definitions
- twenty-one
Ancestry of “dau ddeg un”, step by step
dau ddeg un traces back through 3 separate lines of ancestry.
via Welsh un
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Welsh | un | only; one; one, individual |
| 2 | Middle Welsh | un | one |
| 3 | Proto-Brythonic | ʉn | one |
| 4 | Proto-Celtic | oinos | one |
| 5 | Proto-Indo-European | óynos | one; single |