Trodden — I have destroyed the enemies of my people, I have crushed them as grapes are crushed, this being an usual metaphor to describe the utter destruction of a people.
Related Commentaries of Isaiah 63:3
Isaiah 63:3
3 I have trodden the winepress alone; and of the people there was none with me: for I will tread them in mine anger, and trample them in my fury; and their blood shall be sprinkled upon my garments, and I will stain all my raiment.