20. heifer--wanton, like a fat, untamed heifer (Ho 10:11). Appropriate to Egypt, where Apis was worshipped under the form of a fair bull marked with spots.
      destruction--that is, a destroyer: Nebuchadnezzar. Vulgate translates, "a goader," answering to the metaphor, "one who will goad the heifer" and tame her. The Arabic idiom favors this [ROSENMULLER].
      cometh . . . cometh--The repetition implies, it cometh surely and quickly (Ps 96:13).
      out of the north--(See on Jer 1:14; Jer 47:2).

JFB.