penddu'r brwyn

Welsh

Etymology

Literally, black-head of the rushes.

Noun

penddu'r brwyn m (plural pennau duon y brwyn)

  1. Eurasian blackcap (Sylvia atricapilla)

Synonyms

Mutation

Mutated forms of penddu'r brwyn
radical soft nasal aspirate
penddu'r brwyn benddu'r brwyn mhenddu'r brwyn phenddu'r brwyn

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.

Further reading

  • Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur[1], retrieved 6 September 2025.
  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “penddu'r brwyn”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies