Phthiriasis

·noun A disease (morbus pediculous) consisting in the excessive multiplication of lice on the human body.

phthiriasis
phthīrĭăsis, is, f., = φθειρίασις, the lousy disease , phthiriasis , Plin. 26, 13, 86, § 138; 20,...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.