An Etymological Dictionary of Astronomy and Astrophysics

A subdivision of meteorology concerned with the total vertical extent of the atmosphere as opposed to the study of the atmosphere near Earth’s surface.

Etymology (EN): Aerology from Gk. aero- “air” + Gk. logia “study of,” from legein “to speak”.

Etymology (PE): Javvšenâsi, from Ar. javv “air, atmosphere” + šenâsi “knowledge, knowing,” from šenâxtan “to know,” from Av./O.Pers. xšnâ “to learn, come to know, know,” compare with Skt. jna “to know,” Gk. gignoskein “to know, think, judge,” L. gnoscere, noscere “to come to know,” PIE *gno- “to know.”