from Putho (the name of the region where Delphi, the seat of the famous oracle, was located); a Python, i.e. (by analogy, with the supposed diviner there) inspiration (soothsaying):-- divination.
in Greek mythology the name of the Pythian serpent or dragon that dwelt in the region of Pytho at the foot of Parnassus in Phocis, and was said to have guarded the oracle at Delphi and been slain by Apollo