What does set this ancient quarrel new abroach mean?

The phrase "set this ancient quarrel new abroach" means to reignite or bring back to discussion a longstanding conflict or dispute. It suggests that an old disagreement, which may have been forgotten or resolved, is being revisited or stirred up again. This expression is often used to highlight the futility or continued relevance of past grievances. The phrase originates from Shakespeare's "Romeo and Juliet," where it emphasizes the ongoing feud between two families.