Augustine of Hippo

"He shall drink of the brook in the way, therefore shall he lift up his head" [Psalm 110:7]. Let us consider Him drinking of the brook in the way: first of all, what is the brook? the onward flow of human mortality: for as a brook is gathered together by the rain, overflows, roars, runs, and by running runs down, that is, finishes its course; so is all this course of mortality. …

Exposition on Psalm 110 ↗

Jerome

He shall drink from the torrent in the way. Who shall drink from the torrent in the way? This one, to whom it was said, The Lord said to my Lord, Sit at my right hand: this one who heard, You are a priest forever according to the order of Melchizedech: this one who shattered kings in the day of his wrath, who judges the nations, shall fill up the ruins, shall crush the heads in the land of many: what else will this one do? He shall drink from the torrent in the way. …

Homily 36, on Psalm 109 ↗

Gregory the Dialogist

Hence it is also well said through the Psalmist: "He shall drink of the torrent in the way, therefore shall He lift up His head." For indeed from the very beginning of the world a torrent of death had flowed forth in the human race: but the Lord drank of this torrent in the way, because He tasted death in passing. …

Forty Gospel Homilies, Homily 25 ↗