antinephritic

from The Collaborative International Dictionary of English v.0.48

Antinephritic \An`ti*ne*phrit"ic\
   ([a^]n"t[i^]*n[-e]*fr[i^]t"[i^]k), a. (Med.)
   Counteracting, or deemed of use in, diseases of the kidneys.
   -- n. An antinephritic remedy.
   [1913 Webster]