There was also a town of this name in Judah ( Joshua 15:52 ), which has been identified with ed-Domeh, about 10 miles southwest of Hebron. The place mentioned in the "burden" of the prophet ( Isaiah 21:11 ) is Edom or Idumea.
M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition,
published by Thomas Nelson, 1897. Public Domain, copy freely.
[N] indicates this entry was also found in Nave's Topical Bible
[S] indicates this entry was also found in Smith's Bible Dictionary
Bibliography InformationEaston, Matthew George. "Entry for Dumah". "Easton's Bible Dictionary".