Dictionary entry

Bottomless, Pit

International Standard Bible Encyclopedia

bot'-um-les, (to phrear tes abussou, "the pit of the abyss,"Re 9:1,2the King James Version): In the Revised Version (British and American), he abussos (always an adjective in classical authors = "bottomless") is uniformly rendered "theABYSS" (which see) (Lu 8:31;Ro 10:7;Re 9:11;11:7;17:8;20:1,3).