die has been cast

The phrase "die has been cast" originates from the Latin phrase "alea iacta est" which was famously used by Julius Caesar. It means that a decision or action has been taken that cannot be undone or changed, and therefore, the outcome is inevitable. The die, which refers to a small object used in games of chance, has been thrown or cast, and now the result is determined and cannot be altered. This phrase is often used to suggest that a point of no return has been reached or that a situation has passed a critical turning point.