expression, godan verb (-su)
to shame the name (of); to blot the reputation (of)
Fixed expression used when someone's actions bring disgrace to a person, family, school, or organization. Often used in formal or serious contexts.
彼の不正行為は学校の名を汚した。
His misconduct shamed the school's name.
そんなことをしては、家族の
Doing such a thing would blot the family's reputation.