gwair

• IPA^(key): /ɡwai̯r/
• Rhymes: -ai̯r

From Middle Welsh gweir, from Proto-Brythonic *gweɣr, from Proto-Celtic *wegrom, possibly from Proto-Indo-European *h₂weg- (“increase, enlarge”) via a sense ‘outgrowth’.^[1] Cognate with Cornish gora and Old Irish fér (“grass”).

gwair m (plural gweiriau)

1. hay
2. grass

   Synonyms: glaswellt, gwelltglas

gwair m (uncountable)

1. bend, curve, ring

This word is only found in compounds (see below).

• anniwair (“unchaste”)
• diwair (“chaste”)
• genwair (“fishing rod”)
• mynwair (“torque, collar”)

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