Rearward
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) The last troop; the rear of an army; a rear guard. Also used figuratively.
(2): ( a. & adv.) At or toward the rear.
American Tract Society Bible Dictionary [2]
The strong battalion that closed and guarded the rear of an army, Joshua 6:13; Isaiah 52:12; 58:8 .
International Standard Bible Encyclopedia [3]
rēr´wôrd ( אסף , 'āṣaph , "to gather," Numbers 10:25; Joshua 6:9 (the King James Version margin "gathering host"); Isaiah 52:12 ). See Army; Dan , Tribe Of; War , 3.