sphinx, mythological creature with a lion’s body and a human head, an important image in Egyptian and Greek art and legend. The word sphinx was derived by Greek grammarians from the verb sphingein (“to bind” or “to squeeze”), but the etymology is not related to the legend and is dubious. Hesiod, the earliest Greek author to mention the creature, called it Phix. The winged sphinx of Boeotian Thebes, the most famous in legend, was said to have terrorized the people by demanding the answer to a riddle taught her by the Muses—What is it that has one voice and yet