👉 The term "castilian" is a Spanish word that refers to the language of Spain. It is also known as Castilian or Castilian Spanish, and it is spoken in parts of Spain, including Madrid, Seville, and other regions. In Spanish, the word "castil" means "cast," which is the plural form of the Latin word "castus," meaning "to cast." The term "castilian" comes from this origin. It is often used as a descriptor for