Proto-Celtic origin
Source-reportedMeaning: “prince, king”
From Old Irish Brénainn, from Old Welsh breenhin (“prince, king”), ultimately from Proto-Celtic *brigantīnos (“(someone) pre-eminent, outstanding”), a diminutive of *brigantī (“high, exalted”). Doublet of Breandán.
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Read from more recent borrowed forms toward older source forms. This is a derivation account, not a dated timeline.
- Old Irish
- Old Welsh
- Proto-Celtic
Only explicit language links are shown. The full passage may also discuss word roots, comparisons or uncertain proposals.
Proto-language forms marked with an asterisk in the source are reconstructions, rather than dated records of a person using the name.
Read the cited Wiktionary entrySources for this account (1)
- Wiktionary: BréanainnCC-BY-SA-4.0 · retrieved 2026-10-15

