The International Standard Bible Encyclopedia

Apace

a-pas' ("at a pace"): With "come," 2Sa 18:25; "flee," Jer 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.

The International Standard Bible Encyclopedia, James Orr (1915). Public domain, from the CrossWire SWORD module.