'Loi' means 'mountain' in Shan, and many groups are called that.
This web edition of the Ethnologue contains all the content of the print edition and may be cited as:
Gordon, Raymond G., Jr. (ed.), 2005. Ethnologue: Languages of the World, Fifteenth edition. Dallas, Texas: SIL International. Online version: http://www.ethnologue.com/15.