Whose Ox Is Gored.

It popped into my head to wonder about the origin of the titular phrase: did it ascend to antiquity? Was its origin in the Greco-Roman classics, the Bible, ancient Sumer? Imagine my surprise when I turned to the OED (s.v. ox, entry revised 2005) and found: 1.c. Chiefly U.S. [Apparently in allusion to a response [ ]