Where does “aeolotropy” come from?

aeolotropy (English) comes from English æolo-, from Latin Aeolian, from Ancient Greek Αἴολος, from Ancient Greek αἰόλος, from Proto-Hellenic walwólos, from Proto-Indo-European welwel-, from Proto-Indo-European wel- — to see.

aeolotropy (English): The phenomenon whereby the physical properties (e.g., electric conductivity, refractive index) of a body depend on the direction in which they are measured