He shall come. Verses 19-21 are virtually identical with ch. 50:44-46, where the same words are applied to Babylon.
Swelling of Jordan. Heb. ge’on hayyarden, “the majesty of Jordan” (translated “the pride of Jordan” in Zech. 11:3). Some believe that Jeremiah refers to the swelling waters of the Jordan at flood season. Yet inasmuch as the phrase seems to denote a lair of lions, it seems more reasonable to understand this expression to apply to the rank growth of willows, tamarisks, and cane that lines the river’s banks (see on Jer. 12:5).
Who is like me? The exact meaning of the latter part of v. 19 is not clear. It appears that God here represents Himself as directing all that befalls Edom. This in itself should be a comfort even to those who are punished, for they may know that a divine hand directs their destiny.