A female soothsayer or conjuror of spirits.
witch, sorceress, magician, fairy, fairy godmother
- ‘An elevated term for a witch was pythoness, which came to us in medieval times from medical Latin via French.’
Late Middle English from Old French phitonise, from an alteration of late Latin pythonissa, based on Greek puthōn ‘soothsaying demon’. Compare with Pythia.