| This Proto-Brythonic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence. |
| 20 | ||
| ← 1 | 2 | 3 → [a], [b] |
|---|---|---|
| Cardinal (masculine): *dow Cardinal (feminine): *duɨ Ordinal: *ėl | ||
From Proto-Celtic *duwo.
*dow m (feminine *duɨ)