Yours, Etc.: Origins and Uses of 8 Sign-Offs
c.1300, from Old French pompe "pomp, magnificence" (13c.) and directly from Latin pompa "procession, pomp," from Greek pompe "solemn procession, display," literally "a sending," from pempein "to send." In Church Latin, used in deprecatory sense for "worldly display, vain show."
A drug used in cancer chemotherapy and composed of purinethol (6-mercaptopurine), Oncovin (vincristine sulfate), methotrexate, and prednisone.