<history of philosophy, philosophical inquiry> greek term for opinion, belief>, or judgment, as opposed to systematic knowledge (Gk. epistÍmÍ). According to Plato, this limited awareness of the sensible world encompasses the lower portion of the divided line. In Aristotle's works on logic, the same terms are used to distinguish contingent from necessary truths about the world. Recommended Reading: F. E. Peters, Greek Philosophical Terms: A Historical Lexicon (NYU, 1967).
[A Dictionary of Philosophical Terms and Names]
Try this search on OneLook / Google