before vowels, troph-, word-forming element meaning "nourishment, food," from Greek trophe "nourishment" (see -trophy).
Entries linking to tropho-
-trophy
word-forming element meaning "food, nourishment," from Greek -trophia, from trophe "food, nourishment," related to trephein "make thrive, nourish, rear; to make solid, congeal, thicken."