Fausset's Bible Dictionary
A town in the Negeb or south country (Joshua 15:31), also called Ηazar Susah or Susim , "horse court," i.e. "depot of horses" (Joshua 19:5, compare 1 Chronicles 4:31). The wady es Sung, S. of Gaza, the first resting place for horses from Gaza to Egypt. See Wilton. Negeg, 213.
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Fausset, Andrew R. Entry for 'Sansannah'. Fausset's Bible Dictionary. https://www.studylight.org/dictionaries/eng/fbd/s/sansannah.html. 1949.