Etymology
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-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."
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-vorous 
word-forming element meaning "eating," from Latin -vorous, from stem of vorare "to devour" (from PIE root *gwora- "food, devouring").
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-phagous 
word-forming element meaning "eating, feeding on," from Latin -phagus, from Greek -phagos "eater of," from phagein "to eat," literally "to have a share of food," from PIE root *bhag- "to share out, apportion; to get a share."
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