Our Sages said: Why is its name 'chazir' (pig)? Because it will be returned to us.

507. Clarifying the Views of Maharik and the Alter Rebbe on Tanya Chapters 6 and 27 הבהרת דעות מהרי"ק וכ"ק אדנ"ע על פרקי ו' וכ"ז בתניא