Dubthach
Old Irish
Etymology
From Primitive Irish [script needed] (Duvatuc), a derivative of Proto-Celtic *dubus (“black”).
Proper noun
Dubthach m (genitive Dubthaich)
- a male given name from Primitive Irish
Inflection
| Masculine o-stem | |||
|---|---|---|---|
| Singular | Dual | Plural | |
| Nominative | Dubthach | — | — |
| Vocative | Dubthaich | — | — |
| Accusative | DubthachN | — | — |
| Genitive | DubthaichL | — | — |
| Dative | DubthachL | — | — |
Initial mutations of a following adjective:
| |||
Descendants
- Middle Irish: Dubthach
- ⇒ Irish: Ó Dubhthaigh
- → English: Duffy
- ⇒ Irish: Ó Dubhthaigh
- → Old Norse: Dufþakr
- Icelandic: Dufþakur
Mutation
| Old Irish mutation | ||
|---|---|---|
| Radical | Lenition | Nasalization |
| Dubthach | Dubthach pronounced with /ð(ʲ)-/ | nDubthach |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||