(ˈ)en|däjənəs adjective
Etymology: French endogène endogenous + English -ous
1.
a. : growing from or on the inside
endogenous tissues
: developing within the cell wall
endogenous spores
b. : originating within the body
an endogenous disease
: arising from internal structural or functional causes
endogenous malnutrition
endogenous mental deficiency
c. : constituting or relating to metabolism of the nitrogenous constituents of cells and tissues — compare exogenous
2. : of, relating to, or resembling an endogen
3. : originating in the individual's own psychodynamics rather than through external causes
• en·dog·e·nous·ly adverb