Usage notesEdit

Despite being written with a "y", the vowel here is generally pronounced /ɪ/ in the north as tends to be the case when "y" precedes "w".

Etymology 1Edit


rhyw (triggers Soft Mutation)

  1. some (a certain, an unspecified or unknown.)
    Mae rhyw ddyn tu allan.
    There's some man outside.
Derived termsEdit
Related termsEdit

Etymology 2Edit

Cognate with Breton reizh.


rhyw m (plural rhywiau)

  1. kind, sort
    Synonyms: math, siort
  2. (countable) sex
  3. (uncountable) sex, sexual intercourse
Derived termsEdit


Welsh mutation
radical soft nasal aspirate
rhyw ryw unchanged unchanged
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.

Further readingEdit

  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950-), “rhyw”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies