Entacher: Literally, to stain or to mark with a spot. Is also employed figuratively in the sense of diminishing the reputation or a person or organization, ie to sully, to discredit.
As seen in: « Une première accusation criminelle a été portée mardi à la suite de l’enquête d’Élections Canada sur de présumés appels frauduleux qui auraient entaché les élections fédérales de mai 2011. »
(Translation: “An initial criminal charge was filed Tuesday after the Elections Canada inquiry into the alleged fraudulent calls that are said to have sullied the federal election of May 2011.”)
http://www.ledevoir.com/politique/canada/374699/appels-frauduleux-une-premiere-accusation-est-portee


