-phage

1.
a combining form meaning “a thing that devours,” used in the formation of compound words, especially the names of phagocytes:
macrophage.
Also, -phag.
Compare phago-, -phagous, -phagy.
Origin
noun use of Greek -phagos -phagous
British Dictionary definitions for -phage

-phage

combining form
1.
indicating something that eats or consumes something specified: bacteriophage
Derived Forms
-phagous, combining_form:in_adjective
Word Origin
from Greek -phagos; see phago-
Word Origin and History for -phage

word-forming element meaning "eater," from stem of Greek phagein "to eat" (see -phagous).

-phage in Medicine

-phage suff.
One that eats: macrophage.