/ eksˈtrɪnsɪk; NAmE ; -zɪk/ adjective
( formal ) not belonging naturally to sb/sth; coming from or existing outside sb/sth rather than within them :
extrinsic factors
—compare intrinsic
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WORD ORIGIN
mid 16th cent. (in the sense outward ): from late Latin extrinsecus outward, from Latin extrinsecus outwardly, based on exter outer; the ending was altered under the influence of -ic .