Middle English (in an earlier sense). From Anglo-Norman and Middle French maltalent, maltalant, mautalent anger, cause of anger, ill will from mal evil + talent disposition, temper.
Definition of maltalent in US English:
maltalent
nounˌmalˈtalənt
archaic
An ill-tempered person. rare.
Origin
Middle English (in an earlier sense). From Anglo-Norman and Middle French maltalent, maltalant, mautalent anger, cause of anger, ill will from mal evil + talent disposition, temper.