グアラニー族
' or ' (of Guaraní origin) is an infusion of ("botanical name "Ilex paraguariensis"), similar to but prepared with cold water and ice rather than with hot water, and in a slightly larger vessel. This infusion has its roots in Pre-Columbian America, which established itself as traditional during the time of Governorate of Paraguay. The Guaraní people call this infusion "ka'ay", where "ka'a" means herb and "y" means water.