phytophagy

Etymology tree
Proto-Indo-European *bʰuH-
Proto-Indo-European *-yéti
Proto-Indo-European *bʰuHyéti
Ancient Greek φύω (phúō)
Ancient Greek φῠτόν (phŭtón)der.
English phyto-
Ancient Greek ἔφαγον (éphagon)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ίᾱ (-íā)
Ancient Greek -φᾰγίᾱ (-phăgíā)lbor.
English -phagy
English phytophagy
From phyto- (“plant”) + -phagy (“to feed on”).