Fell (from Old Norse: fell, fjall, "mountain"; compare Icelandic: fell/fjall, Norwegian: fjell, Swedish: fjäll) is a high and barren landscape feature, such as a mountain or moor-covered hill. The term is most often employed in Fennoscandia, Iceland, the Isle of Man, parts of northern England, and Scotland. Etymology. The English word "fell" comes from Old Norse fell and fjall (both forms existed).
https://en.wikipedia.org/wiki/Fell