Word origins

• DolbadarnA castle in Gwynedd, Wales.
• Drws-y-coedA village in Llanllyfni community, Gwynedd, Wales, the United Kingdom, OS grid ref SH5453.
• DuffrynA hamlet in Bettwys-y-Crwyn parish, Shropshire, England (OS grid ref SO2282).
• edlingAn heir apparent of a reigning Welsh monarch in the medieval period.
• Efail IsafA village in Llantwit Fardre community, Rhondda Cynon Taf borough county borough, Wales (OS grid ref ST0884).
• ElenyddA region in west Wales (OS grid ref SN 765 650).
• englynA short Welsh or Cornish poem of a variable structure, with each line using quantitative metre and cynghanedd (a repeating pattern of consonants and accent), and different lines being arranged in standardized patterns of rhyme and half rhyme.
• ErwoodA village and community in Powys, Wales (OS grid ref SO0943).
• EsgairgeiliogA small village in Glantwymyn community, Powys, Wales, historically in Montgomeryshire (OS grid ref SH7506).
• fantodA state of worry or nervous anxiety, irritability.
• FforestfachA western suburb of Swansea, Wales (OS grid ref SS6295).
• fluellenAny plant of the genus Kickxia, having purple and yellow flowers.
• fluellinAny of various varieties of Veronica, especially Veronica officinalis; speedwell.
• flummeryA custard; any of several bland, gelatinous foodstuffs, usually made from stewed fruit and thickened with oatmeal, cornstarch or flour.
• galanasthe blood money or weregild paid by a murderer to the family of his victim under early Welsh law
• gammyInjured, or not functioning properly (with respect to legs).
• GarwA river in Bridgend borough county borough, Wales, which joins the River Ogmore.
• GlanyrafonAn industrial estate and small village in Llanfarian community, Ceredigion, Wales (OS grid ref SN6180).
• Glyn CeiriogA village in Llansantffraid Glyn Ceiriog community, Wrexham borough, Wales (OS grid ref SJ2038).
• GlynneathA small town and community with a town council in Neath Port Talbot borough, Wales (OS grid ref SN8806).
• GlyntraianA community (civil parish) in Wrexham borough, Wales.
• GogmagogA legendary giant in Welsh and later English folklore, said to have been a giant inhabitant of Albion who was thrown off a cliff during a wrestling match with Corineus, a companion of Brutus of Troy.
• gorseddA community of bards, usually Welsh, but sometimes Breton or Cornish.
• gorydA kind of stone-walled fishweir.
• GroeswenA hamlet in Penyrheol, Trecenydd and Energlyn community, Caerphilly borough county borough, Wales (OS grid ref ST1287).
• GwenhwyfarA female given name from Welsh, of rare usage, variant of Guinevere.
• GwenhyvarA female given name from Welsh, of rare usage, variant of Guinevere
• GwernaffieldA village in Gwernaffield with Pantymwyn community, Flintshire, Wales (OS grid ref SJ2064).
• GwersylltA large village and community in Wrexham borough county borough, Wales (OS grid ref SJ3153).
• gwyniadA freshwater fish of species Coregonus pennantii, native to Bala Lake in Gwynedd.
• HarlynA village on Harlyn Bay in St Merryn parish, north Cornwall, England (OS grid ref SW8775).
• higgledy-piggledyIn utter disorder or confusion; mixed up.
• hiraethA feeling of homesickness, longing or yearning for something comfortable or familiar, especially in a Welsh context.
• HirwaunA village and community (served by Hirwaun and Penderyn Community Council) in Rhondda Cynon Taf borough county borough, Wales (OS grid ref SN9605).
• HodnetA village and civil parish in Shropshire, England (OS grid ref SJ613286).
• keffelA horse.
• kistvaenA stone coffin in the form of a pit covered with earth and surrounded by stones.
• LlanaelhaearnA village and community on the Lleyn Peninsula, Gwynedd, Wales (OS grid ref SH3844).
• LlanbedrogA village and community on the Lleyn Peninsula, Gwynedd, Wales (OS grid ref SH3231).
• LlanboidyA village and community in western Carmarthenshire, Wales (OS grid ref SN2123).
• LlandarcyA village in Neath Port Talbot borough county borough, Wales, originally built for refinery workers (OS grid ref SS7195).
• Llanddewi BrefiA village and community in Ceredigion, Wales (OS grid ref SN6655).
• LlandygaiA village and community in Gwynedd, Wales (OS grid ref SH5970).
• LlandysilioA small village and community in Powys, Wales, originally in Montgomeryshire (OS grid ref SJ2619).
• LlanegwadA village and community in Carmarthenshire, Wales (OS grid ref SN5121).
• LlanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogochA village in Anglesey, Wales, United Kingdom, known for having the longest place name in Europe, and the longest English-language (albeit borrowed from Welsh) settlement name in the world.
• LlanfoistA village in Llanfoist Fawr community, west of Abergavenny, Monmouthshire, Wales (OS grid ref SO2813).
• LlangelerA small village and community in north-west Carmarthenshire, Wales (OS grid ref SN3739).
• LlangelyninA coastal settlement and community in Gwynedd, Wales (OS grid ref SH5707).
• LlangurigA village and community on the River Wye in Powys, Wales, historically in Montgomeryshire (OS grid ref SN9079).
• LlangynogA village and community in Carmarthenshire, Wales (OS grid ref SN3316).
• LlanllwchaiarnA community (civil parish) in Ceredigion, Wales, which surrounds the town and community of New Quay.
• LlanllyfniA village in Llanllyfni community, Gwynedd, Wales, the United Kingdom (OS grid ref SH4751).
• Llanrhaeadr-yng-NghinmeirchA community (civil parish) in Denbighshire, Wales.
• LlanrhianA small village and community in north-west Pembrokeshire, Wales (OS grid ref SM8131).
• Llansanffraid Glan ConwyA village and community in Conwy borough, Wales.
• LlansantffraedA small coastal village and community in Ceredigion (OS grid ref SN5167).
• Llansantffraid Glyn CeiriogA community (civil parish) in Wrexham borough, Wales.
• Llansantffraid-ym-MechainA village in Llansantffraid community, Powys, Wales, historically in Montgomeryshire (OS grid ref SJ2220).
• LlanstadwellA village and community in Pembrokeshire, Wales, between the towns of Milford Haven and Neyland (OS grid ref SM9505).
• LlansteffanA coastal village and community (served by Llansteffan and Llanybri Community Council) in Carmarthenshire, Wales (OS grid ref SN3510).
• Llantilio PertholeyA community and small village near Abergavenny, Monmouthshire, Wales (OS grid ref SO3116).
• Llantwit MajorA coastal town and community with a town council in Vale of Glamorgan borough county borough, Wales (OS grid ref SS9768).
• LlantysilioA community (civil parish) in Denbighshire, Wales.
• LlanyblodwelA small village and civil parish in Shropshire, England, on the border with Wales (OS grid ref SJ2422).
• LlwchwrA community (civil parish) with a town council in the city and county of Swansea, Wales; the main settlement is Loughor.
• Llyn GwynantA small lake on the Afon Glaslyn in Snowdonia, Gwynedd, Wales, approx. 1 km to 1 mile in length.
• Llyn PadarnA lake in Snowdonia, Gwynedd, Wales; the main settlement on the lake is Llanberis.
• LouallenA surname from Welsh.
• LoughorA river in Carmarthenshire, and the city and county of Swansea, southern Wales.
• mabinogiA Welsh mythological tale; sometimes extended to include similar tales of medieval European traditions.
• maenawlA group of four trefs or hamlets in pre-Saxon Britain.
• maenorA Welsh manor or feudal estate, a subdivision of a commote
• MaescarA community (civil parish) in Powys, Wales.
• MaesgeirchenA housing estate of Gwynedd, Wales (OS grid ref SH588718).
• MaesglasA suburb in the city of Newport, Wales (OS grid ref ST3086).
• mamguA grandmother.
• manredVassals collectively; the men a feudal lord can call upon in wartime.
• Mari LwydA Welsh winter holiday custom involving wassailing with a horse's skull carried by a person hidden under a sheet.
• mawnA maund; a basket or hamper.
• MelidenA village in Prestatyn community, Denbighshire, Wales (OS grid ref SJ0680).
• merchetIn Middle Ages England, a fine paid to a lord on a daughter's marriage, in recompense for the loss of a worker.
• metheglinA spiced mead, originally from Wales.
• MochdreA village and community in Conwy borough county borough, Wales (OS grid ref SH8278).
• MonnowA river flowing through Herefordshire and Monmouthshire, United Kingdom, which joins the River Wye at Monmouth.
• moochinA difficult or disagreeable person, especially a child.
• Morfa HarlechA coastal locality and nature reserve in Harlech community, Gwynedd, Wales (OS grid ref SH5733).
• morgayThe European small-spotted catshark Scyliorhinus canicula
• MynachdyA suburb in Gabalfa community, Cardiff, Wales (OS grid ref ST1678).
• MynyddygarregA village in Kidwelly community, Carmarthenshire, Wales (OS grid ref SN4208).
• NantlleA village in Llanllyfni community, Gwynedd, Wales, the United Kingdom (OS grid ref SH5053).
• Nanty GloA borough in Cambria County, Pennsylvania, United States, originally named Glenglade.
• NantygloA town in Nantyglo and Blaina community, Blaenau Gwent borough county borough, Wales (OS grid ref SO1910).
• Old NorthThe region of modern northern England and southern Scotland inhabited by Cumbric-speaking Celtic Britons in the Early Middle Ages.
• PencaerA community (civil parish) on the coast of north Pembrokeshire, Wales.
• PenderynA village in Hirwaun community, Rhondda Cynon Taf borough county borough, Wales (OS grid ref SN9408).
• PendreA suburb of Bridgend, Bridgend borough county borough, Wales (OS grid ref SS9081).
• PengwernA former city, the former capital of Powys, Wales region, Britannia, Great Britain island. Predecessor of Shrewsbury, Shropshire, England, UK. The city was burned to the ground by the Lloegrin. The city was capital of Powys during the Roman Era.
• PenmachnoA village in Bro Machno community, Conwy borough county borough, Wales (OS grid ref SH7950).
• PenmynyddA village in Anglesey, Wales.