Ducommun was a name created when a group French people fleeing from their problems moved to Switzerland. In order to protect themselves they dropped their surname and called themselves DuCommun (Of the Common). Today people with the surname Ducommun probably have a completely different surname, but they'll never know it...

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)