bur·nish 
/ˈbɚnɪʃ/ verb
bur·nish·es; bur·nished; bur·nish·ing /ˈbɚnɪʃ/ verb [+ obj] formal : to make (something, such as metal or leather) smooth and shiny by rubbing it : polish — often used figuratively ▪ She started a publicity campaign to help burnish [=improve] her image/reputation.
— burnished adjective
▪ burnished gold/leather
▪ burnished gold/leather
