phthirophagous
/(f)θʌɪˈrɒfəɡəs/rare
adjective
Louse-eating. Also figurative (in depreciative use).
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From classical Latin Phthīrophagī lice-eaters, the name given to a tribe living near the Black Sea + -ous.