Now Joshua was old and well stricken in years; and Yahweh said to him, You are old and well stricken in years, and there remains yet very much land to be possessed.
"Sihor ..."  (Joshua 13:3).  "This word originally referred to the Nile river.  Here, however, it is located east of Egypt and apparently designates the southern border of Canaan .... the Brook of Egypt (Wady el-'Arish).[14]