Origin: from the former notion that it was caused by the bad air of swampsan infectious disease, generally intermittent and recurrent, caused by any of various protozoans (genus Plasmodium) that are parasitic in the red blood corpuscles and are transmitted to humans by the bite of an infected anopheles mosquito: it is characterized by severe chills and fever
Origin: It, contr. < mala aria, bad air: see mal- & aria
See malaria in American Heritage Dictionary 4
Origin: , from mala aria, bad air
Origin: : mala
Origin: , feminine of malo, bad (from Latin malus; see mel-3 in Indo-European roots)
Origin: + aria, air (from Latin āēr, from Greek; see wer-1 in Indo-European roots).
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