And that God the Father of all would bring Christ to heaven after He had raised Him from the dead, and would keep Him there 1860 until He has subdued His enemies the devils, and until the number of those who are foreknown by Him as good and virtuous is complete, on whose account He has still delayed the consummation—hear what was said by the prophet David. These are his words: “The Lord said unto My Lord, Sit Thou at My right hand, until I make Thine enemies Thy footstool. The Lord shall send to Thee the rod of power out of Jerusalem; and rule Thou in the midst of Thine enemies. With Thee is the government in the day of Thy power, in the beauties of Thy saints: from the womb of morning 1861 have I begotten Thee.” 1862 That which he says, “He shall send to Thee the rod of power out of Jerusalem,” is predictive of the mighty, word, which His apostles, going forth from Jerusalem, preached everywhere; and though death is decreed against those who teach or at all confess the name of Christ, we everywhere both embrace and teach it. And if you also read these words in a hostile spirit, ye can do no more, as I said before, than kill us; which indeed does no harm to us, but to you and all who unjustly hate us, and do not repent, brings eternal punishment by fire.
So, Thirlby, Otto, and Trollope seem all to understand the word κατέχειν; yet it seems worth considering whether Justin has not borrowed both the sense and the word from 2 Thess. 2:6, 7.178:1861
Or, “before the morning star.”178:1862
Ps. cx. 1, etc.