Cathays from Old English haga. An unlikely explanation which is sometimes found is that it is from 'Cad Hayes' – cad, the Welsh word for battle, and the various shades of meaning of the medieval English hague/hay above. The current term shares its orthography, but not its pronunciation nor meaning with 'Cathay', an alternative name for China. By the medieval period farmland outside the old Cardiff Castle, Cathays takes in the northern limit of medieval Cardiff — marked by the crossroads of Fairoak Road and Crwys Road. After John Stuart, 1st Marquess of Bute, married The Hon. Charlotte Hickman-Windsor (daughter of
Fairwater, Torfaen use of cars had to be accommodated in the layout of further housing estates, and Redfern adopted the Radburn system, used most rigidly in Fairwater (built between 1963 and 1966). The remains of Llanderfel Chapel, a medieval chapel important as a stopping point on a pilgrims' route to Penrhys, are in Fairwater. The pilgrim route is now part of the modern long distance Cistercian Way footpath. The remains are a scheduled monument. Near the site of the chapel is Llanderfel Farm, a 16th-17th century Grade II listed building. Also nearby is Ty'r Ywen Farmhouse and barn which are both 17th