Where does “pneumotropic” come from?

pneumotropic (English) comes from English -tropic, from Ancient Greek τροπή, from Ancient Greek -ή, from Ancient Greek -ᾱ, from Proto-Indo-European -éh₂.

pneumotropic (English): Having an affinity for the tissues of the lungs

Definitions

Having an affinity for the tissues of the lungs

Ancestry of “pneumotropic”, step by step

Step	Language	Word	Meaning
1	English	-tropic	turning or changing; affecting or attracted to...
2	Ancient Greek	τροπή	a turning; turning away the enemy, a rout;...
3	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
4	Ancient Greek	-ᾱ	nominal suffix
5	Proto-Indo-European	-éh₂	—

Every word from Proto-Indo-European -éh₂ →Every word from Ancient Greek -ή →Every word from Ancient Greek τροπή →