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, Cardiff and numerous playing fields. Fairwater is the historic name of one of the canons' stalls at nearby Llandaff Cathedral. Fairwater has two secondary schools. The larger of the two, with over a thousand pupils, is the Welsh-medium Ysgol Gyfun Gymraeg Plasmawr. The other is Cantonian High School, which has nearly 700 pupils. The building in which Plasmawr stands was originally opened in 1959 as Waterhall Secondary Modern School. Pupils at the school included Martyn Woodroffe an Olympic swimming Silver Medalist in 1968 Summer Olympics in Mexico. It is on the grounds of old Cantonian lower school, but in recent times