awyrell

== Welsh == === Etymology === awyr (“air”) +‎ -ell. === Noun === awyrell f (plural awyrellau) airhole, vent Synonyms: awyrdwll, fent, agorfa airway Synonym: llwybr anadlu (obsolete) hot air balloon, airship Synonyms: balŵn, llong awyr === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “awyrell”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “awyrell”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies