Although the source for the root, "gudgeon", is a mystery, it may have arose from the wagon part of the same name or from the small fish and minnows in the creek below the bridge that are called gudgeons.
Although the source for the root, "gudgeon", is a mystery, it may have arose from the a foundry located in the valley whose speciality was making gudgeons, a water wheel shaft journal for the wheel bearings. Also it is the same name or from the small fish and minnows in the creek below the bridge that are called gudgeons.