3. Reply of Messiah. For the image, see La 1:15. He "treads the wine-press" here not as a sufferer, but as an inflicter of vengeance.
will tread … shall be … will stain—rather preterites, "I trod … trampled … was sprinkled … I stained."
blood—literally, "spirited juice" of the grape, pressed out by treading [Gesenius].