Commentaries:
Jamieson, Fausset, and Brown
taking vengeance—literally, "revenging with revengement," that is, the most unrelenting vengeance. It was not simple hatred, but deep-brooding, implacable revenge. The grudge of Edom or Esau was originally for Jacob's robbing him of Isaac's blessing (Genesis 25:23; Genesis 27:27-41). This purpose of revenge yielded to the extraordinary kindness of Jacob, through the blessing of Him with whom Jacob wrestled in prayer; but it was revived as an hereditary grudge in the posterity of Esau when they saw the younger branch rising to the pre-eminence which they thought of right belonged to themselves. More recently, for David's subjugation of Edom to Israel (II Samuel 8:14). They therefore gave vent to their spite by joining the Chaldeans in destroying Jerusalem (Psalms 137:7; Lamentations 4:22; Obadiah 1:10-14), and then intercepting and killing the fugitive Jews (Amos 1:11) and occupying part of the Jewish land as far as Hebron.
Other Jamieson, Fausset, and Brown entries containing Ezekiel 25:12:
Genesis 36:1
Isaiah 34:5
Jeremiah 49:7
Ezekiel 34:31
Obadiah 1:9
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