Northwich evidence of a Roman auxiliary fort within the area of Northwich now known as "Castle" dated to AD 70. This and other northwestern forts were built as the Romans moved north from their stronghold in Chester. The association with salt continues in the etymology of Northwich. The "wich" (or wych) suffix applies to other towns in the area: Middlewich, Nantwich and Leftwich. This is considered to have been derived from the Norse, "wic", for bay, and is associated with the more traditional method of obtaining salt by evaporating sea water. Therefore, a place for making salt became a wych-house; Northwich
-wich town -wich town A "-"wich" town" is a settlement in Anglo-Saxon England characterised by extensive artisanal activity and tradean "emporium". The name is derived from the Anglo-Saxon suffix , signifying "a dwelling or fortified place". Such settlements were usually coastal and many have left material traces found during excavation. Eilert Ekwall wrote: As well as "-wich", "-" was the origin of the endings and , as, for example, in Papplewick, Nottinghamshire. Four former "-"wīc" towns" are known in England as the consequence of excavation. Two of theseJorvik (Jorwic) in present-day York and Lundenwic near Londonare waterfront sites, while the other two,