cachexia Africana en · NOUN
Etymology
It was encountered among native Africans.
Meanings
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(obsolete, uncountable) A morbid impulse to eat dirt.
Cachexia Africana referred to blacks' supposed propensity for eating nonfood substances such as clay, chalk, and dirt.
2008, Harriet A. Washington, “Southern Discomfort”, in Medical Apartheid, Knopf Doubleday Publishing Group, page 52: