Bible, Language, Book of Mormon, Names
Unlike the case of some place-names in the Book of Mormon, the book does not explain how the land and the hill Cumorah received their designation in the Nephite record. The name Cumorah lends itself to several possible etymological explanations, which Hoskisson discusses in this article.
BYU ScholarsArchive Citation
Hoskisson, Paul Y.
"What's in a Name?: The Name Cumorah,"
Journal of Book of Mormon Studies: Vol. 13
, Article 17.
Available at: http://scholarsarchive.byu.edu/jbms/vol13/iss1/17