photometabolism

Etymology tree
Proto-Indo-European *bʰeh₂-
Proto-Indo-European *bʰéh₂os
Proto-Hellenic *pʰáwos
Ancient Greek φᾰ́ος (phắos)
Ancient Greek φῶς (phôs)
Ancient Greek φωτο- (phōto-)der.
English photo-
Proto-Indo-European *me
Proto-Indo-European *meth₂?
Ancient Greek μετᾰ́ (metắ)
Ancient Greek μετα- (meta-)
Proto-Indo-European *gʷelH-der.
Proto-Hellenic *gʷəlnō
Ancient Greek βάλλω (bállō)
Ancient Greek μεταβάλλω (metabállō)
Ancient Greek -ᾱ (-ā)
Ancient Greek -η (-ē)
Ancient Greek μετᾰβολή (metăbolḗ)
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Indo-European *-mos
Proto-Indo-European *-mós
Ancient Greek -μός (-mós)
Ancient Greek -ισμός (-ismós)der.
English -ism
English metabolism
English photometabolism
From photo- + metabolism.