ἀερομαντεία
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
English (LSJ)
ἡ, divination by air, Varr. ap. Serv.ad Virg.Aen.3.359.
Spanish (DGE)
-ας, ἡ
• Alolema(s): lat. aeromantia
aeromancia Varro en Isid.Etym.8.9.13.
Greek (Liddell-Scott)
ἀερομαντεία: ἡ, μαντεία ἐκ τῆς καταστάσεως τοῦ ἀέρος, Ἰσίδ. Ἱσπάλ. 8, 9, 13.
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".