contaminado
/kontamiˈnado/ · B2 · adj
contaminated, polluted
☣️🏭 con + tamin- (touch) + -ado: 'touched together' with something dirty
From Latin contaminare, 'to defile by touching', built from con- (together) + tamen-, related to tangere (to touch). Contaminado is what results when something clean has been touched by something harmful. English contaminated is a direct cousin.