<human>:  Why is the vegetable called ‘Radicchio’?
<bot>: Radicchio is the Italian word for chio (chee-oh). Radicchio is a leafy vegetable that is grown for its distinctive dark-green, crinkled leaves. It is often eaten raw in salads or cooked in soups and stews. Radicchio is also used in Italian cooking, and can be made into a variety of dishes, such as radicchio salad, radicchio with walnuts, and radicchio and arugula.