pythoness
/ˈpʌɪθənɛs
/noun archaic
A woman believed to be possessed by a familiar spirit and to be able to foresee the future.An elevated term for a witch was pythoness, which came to us in medieval times from medical Latin via French.
Origin
Late Middle English: from Old French phitonise, from an alteration of late Latin pythonissa, based on Greek puthōn 'soothsaying demon'. Compare with Pythia.