Kayu (porridge) is a dish made by boiling grains such as rice seeds, foxtail millet and buckwheat, beans or potatoes in a large quantity of water until they become soft.
粥（かゆ）は、米（粳米）、アワ、ソバなどの穀類や豆類、芋類などを多目の水で柔らかく煮た料理。