an infectious disease, a type of leishmaniasis, that occurs in subtropical or tropical areas, caused by a protozoan parasite (Leishmania donovani) transmitted by sand flies (esp. genus Phlebotomus), and characterized by an enlarged spleen and liver, irregular fever, anemia, etc.
also written ka·la-azar′
Origin of kala azarHindi k?l?-?z?r, literally , black disease
A type of leishmaniasis occurring chiefly in India, caused by the protozoan parasite Leishmania donovani and characterized by fever, enlargement of the spleen and liver, progressive anemia and leukopenia, and weight loss.
Origin of kala-azarUrdu kala azar : kala, black (from Sanskrit kala-; see Kali) + azar, disease (from Persian, from Middle Persian, pain, torment, from azardan, azar-, to torment : a-, to + -zar-, to make angry).
- (pathology) Visceral leishmaniasis.
From Assamese [script?] (kaalaa, “black”) + [script?] (aazaar, “disease”).