Adadah=“festival” or “boundary” 1) one of the towns in the extreme south of Judah Part of Speech: noun proper locative A Related Word by BDB/Strong’s Number: from H5712
Joshua 15:22 HEB:וְקִינָ֥ה וְדִֽימוֹנָ֖ה וְעַדְעָדָֽה׃ NAS: and Kinah and Dimonah and Adadah, KJV: And Kinah, and Dimonah, and Adadah, INT: and Kinah and Dimonah and Adadah