APACE

a-pas' ("at a pace"): With "come," 2 Samuel 18:25; "flee," Jeremiah 46:5, for "rapidly," "hastily," "fast," corresponding to a Hebrew idiom that adds emphasis or intensity to an idea by repetition of the word or its equivalent.

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.