Smith's Bible Dictionary (1863)
(lodging place). (1 Samuel 30:30) As the name does not occur elsewhere, it has been suggested that it is an error of the transcriber for Ether, a town in the low country of Judah. (Joshua 15:42)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
A'THACH (lodging-place), a town in the south of Judah; perhaps the same as Ether. Josh 19:7; 1 Sam 30:30.
Hitchcock's Bible Names (1869)
thy time