For one, this term is not originally from Latin and Greek, but from English and French:

-“Pie-” (french) = magpie (a bird). The french word has been adopted in the English.

-“-bald” comes from English (lack of hair)

-pie-bald = varriagated and partly coloured like a magpie. This term is also used to describe white and black horses



Medical significance of piebaldism – partial albinism

It is a rare disorder of melanocyte development which is inherited in an autosomal dominant way.



Clinically one finds:

-a triangular shaped depigmented patch on the forehead

-a congenital white forelock



Indira Gandhi, a former Indian prime minister is a known case of piebaldism



Source of information: Harms M. Dermatologica Helvetica (The Swiss Journal of Dermatology and Venereology