|Easton's Bible Dictionary|
Hidden, or hollow, a town east of Jordan (Numbers 32:35), built by the children of Gad. This word should probably be joined with the word preceding it in this passage, Atroth-Shophan, as in the Revised Version.
Int. Standard Bible Encyclopedia
Shophan (1 Occurrence)
Numbers 32:35 and Atrothshophan, and Jazer, and Jogbehah, (Root in WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)