What is "oughtershaw"

Oughtershaw is a hamlet in the Yorkshire Dales, North Yorkshire, England. It lies on a road it shares with other small villages. Gayle, Deepdale, Yockenthwaite and Hubberholme. Contrary to popular belief the river running past Oughtershaw is not the Wharfe; it is Oughtershaw Beck, which runs down to Beckermonds and then merges with Greenfield Beck to source the River Wharfe at the Langstrothdale chase. Oughtershaw is one of the hamlets on the Dales Way a long distance walk that starts in the West Yorkshire town of Ilkey and travels eighty two miles to Windermere in Cumbria