What is "oomrang"

Öömrang is the dialect of the North Frisian language spoken on the island of Amrum in the German region of North Frisia. Öömrang refers to the Öömrang Frisian name of Amrum, Oomram. Together with the Fering, Söl'ring, and Heligolandic dialects, it forms part of the insular group of North Frisian dialects and it is very similar to Fering. Öömrang is spoken by about one third of Amrum's 2300 people.