a-long': Corresponding to two different Hebrew words, Jud 9:25; 1Sa 6:12; Jer 41:6, joined with "come" and "go," vividly describes a course that is taken--it emphasizes its directness and immediateness. In Jud 7:12, "lay along in the valley," probably means "all the length" or "at length."
The International Standard Bible Encyclopedia
Along
The International Standard Bible Encyclopedia, James Orr (1915). Public domain, from the CrossWire SWORD module.