Douglas Harper's Etymology Dictionary
Icknield Way
prehistoric trackway from Norfolk to Dorset, Old English Icenhylte (903), of unknown meaning and origin. Name transferred 12c. to the Roman road from Burton on the Water to Templeborough.
Wikipedia
Icknield Way
The Icknield Way is an ancient trackway in southern England that goes from Norfolk to Wiltshire. It follows the chalk escarpment that includes the Berkshire Downs and Chiltern Hills.
Usage examples of "icknield way".
William marched on along the Icknield Way to the north-east, still keeping his distance.