The Collaborative International Dictionary of English v.0.48:

Leucopathy \Leu*cop"a*thy\ (l[-u]*k[o^]p"[.a]*th[y^]), n.
   [Leuco- + Gr. pa`schein, paqei^n to suffer.]
   The state of an albino, or of a white child of black parents.
   [1913 Webster]