ἀερομαντεία
From LSJ
ὦ παῖδες Ἑλλήνων ἴτε ἐλευθεροῦτε πατρίδ', ἐλευθεροῦτε δὲ παῖδας, γυναῖκας, θεῶν τέ πατρῴων ἕδη, θήκας τε προγόνων: νῦν ὑπὲρ πάντων ἀγών. → O children of the Greeks, go, free your homeland, free also your children, your wives, the temples of your fathers' gods, and the tombs of your ancestors: now the struggle is for all things.
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".