Where does “lipotropin” come from?

lipotropin (English) comes from English tropin, from English tropic, from French tropique, from Late Latin tropicus, from Ancient Greek τροπικός, from Ancient Greek τροπή, from Ancient Greek -ή, from Ancient Greek -ᾱ.

lipotropin (English): A pituitary hormone that promotes the metabolism of fat, and is a precursor to the endorphins

Definitions

A pituitary hormone that promotes the metabolism of fat, and is a precursor to the endorphins

Ancestry of “lipotropin”, step by step

Step	Language	Word	Meaning
1	English	tropin	any of the tropic hormones; one that is secreted...
2	English	tropic	Either of the two parallels of latitude 23°27′...
3	French	tropique	tropic
4	Late Latin	tropicus	of or pertaining to the solstice, as a noun, one...
5	Ancient Greek	τροπικός	of or pertaining to a turn or change; of or...
6	Ancient Greek	τροπή	a turning; turning away the enemy, a rout;...
7	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
8	Ancient Greek	-ᾱ	nominal suffix
9	Proto-Indo-European	-éh₂	—

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