Design by the Brighton and Hove City Council Creative Services Team and Jo offer
Old English dún, hill. Old Dutch dúna (Middle Dutch dúne, Dutch Duin, whence Modern Low German düne, French dune, sandhill).
An open expanse of elevated land, especially in the plural, the treless undulating chalk uplands of the South and South-East of England, serving chiefly for pasturage.
Now I finally know how it’s possible to go "up" to the "Downs". Well done Jenny!