ἀερομαντεῖον
From LSJ
τῶν γὰρ μετρίων πρῶτα μὲν εἰπεῖν τοὔνομα νικᾷ → the first mention of the word moderation wins the game (Euripides, Medea 125f.)
Spanish (DGE)
-ου, τό aeromancia, PMag.3.277.
Léxico de magia
τό práctica de aeromancia oráculo basado en la observación del aire ἐν καρκίνῳ παραιτίαν, ἀερομαντεῖον en Cáncer reconciliación, aeromancia P III 277
Wikipedia EN
Aeromancy (from Greek ἀήρ aḗr, "air", and manteia, "divination") is divination that is conducted by interpreting atmospheric conditions. Alternate spellings include "arologie", "aeriology", and "aërology".