Easton's Bible Dictionary (1897)
City of the sannah; i.e., of the palm(?), Josh. 15:49; the same as Kirjath-sepher (15:16; Judg. 1:11) and Debir (q.v.), a Canaanitish royal city included in Judah (Josh. 10:38; 15:49), and probably the chief seat of learning among the Hittites. It was about 12 miles to the south-west of Hebron.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
KIR'JATH-SANNAH (palm-city), mentioned in Josh 15:49, and identical with Debir (which see) and Kirjath-Sepher; now Dhaheriyeh.
Hitchcock's Bible Names (1869)
city of enmity, or of a blackberry bush