An unwholesome condition: the malady of discontent.
[Middle English maladie, from Old French, from malade, sick, from Latin male habitus, in poor condition : male, badly; see mel-3 in Indo-European roots + habitus, past participle of habēre, to hold; see ghabh- in Indo-European roots.]
c.1250, from O.Fr. maladie "sickness, illness, disease," from malade "ill," from L. male habitus "doing poorly, feeling sick," lit. "ill-conditioned," from male "badly" (see mal-) + habitus, pp. of habere "have, hold" (see habit).