When Julius Caesar chose to cross the Rubicon River and march against his rival in Rome, he supposedly said Alea jacta est, or “The die is cast,” indicating that at that point, there was no going back. The phrase is a reference to...
The die is cast has nothing to do with dye in water or a metal mold. The die is the singular of dice, and cast here means thrown, the older sense still found inside broadcast and podcast. Brian in Indianapolis ran into the phrase as the title of a...