--Various terms have been used to describe (VL)visceral leishmaniasis
including Jericho boil, chiclero ulcer, espundia, Baghdad boil,
Dum-dum fever,
Sikari disease,
sandfly fever,
Burdwan fever,
Shahib's disease and
tropical splenomegaly. However, the most commonly used term is Kala
azar, which in Hindi means black sickness or black fever. The terms
originally referred to Indian VL due to its characteristic symptoms,
blackening or darkening of the skin of the hands, feet, face and the
abdomen (Lainson and Shaw, 1987).
http://web.mit.edu/king-lab/www/research/protein%20definitions-H.html