oneirocrisy
Prognostication based on the interpretation of dreams.
uncountable
Having consulted his father thereupon, well skilled in Oneirocrisy, he called his son Kilkhan, and explained them thus: That according to the first dream, out of the progeny of Kilkhan should arise three princes which should possess the empire of the Moguls, and should transmit it to a fourth, who should subjugate a great part of the world, and divide it amongst his children.
Where it comes from
From Ancient Greek ὄνειρος (óneiros, “dream”) + the middle voice of κρίνω (krínō, “I separate, judge, decide”).
Adapted from the Wiktionary entry oneirocrisy (CC BY-SA 4.0).