rhonwellt

Welsh

Etymology

rhawn (“horsehair”) +‎ gwellt (“grass”)

Noun

rhonwellt m (collective, singulative rhonwelltyn)

1. timothy grass (Phleum pratense)

   Synonyms: rhonwellt y gath (cyffredin), cynffon y gath

2. certain foxtail (Alopecurus) species, notably:
   1. meadow foxtail (Alopecurus pratensis)

      Synonym: cynffonwellt y maes

   2. bulbous foxtail (Alopecurus bulbosus)

      Synonym: cynffonwellt oddfog

Derived terms

• rhonwellt y mynydd, rhonwellt Alpaidd (“Alpine cat's-tail”)
• rhonwellt coesddu (“purple stem cat's-tail”)
• rhonwellt euraid (“golden dog's-tail”)
• rhonwellt penfain (“smaller stem cat's-tail”)
• rhonwellt y cadno (“foxtail”)
• rhonwellt y ci (cribog) (“crested dog's-tail”)
• rhonwellt y gath (cyffredin) (“timothy grass”)
• rhonwellt y tywyn, rhonwellt y gath at dywod (“sand cat's-tail”)
• rhonwellt-y-ci pigog (“rough dog's-tail”)

Mutation

Mutated forms of rhonwellt

radical	soft	nasal	aspirate
rhonwellt	ronwellt	unchanged	unchanged

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 18 February 2025.
• D. G. Lewis, N. Lewis, editors (2005–present), “rhonwellt”, in Gweiadur: the Welsh-English Dictionary, Gwerin
• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “rhonwellt”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies