Who [is] this that cometh (a) from Edom, with dyed garments from Bozrah? this [that is] glorious in his apparel, travelling in the greatness of his strength? (b) I that speak in righteousness, mighty to save.
(a) This prophecy is against the Idumeans and enemies who persecuted the Church, on whom God will take vengeance, and is here set forth all bloody after he has destroyed them in Bozrah, the chief city of the Idumeans: for these were their greatest enemies,and under the title of circumcision and the kindred of Abraham.
(b) God answers them that asked this question, "Who is this?" etc. and says "You see now performed in deed the vengeance which my prophets threatened.