Task: Question Generation
Input (English): In English, the term referring to a person first appears in the mid 14th century as Catelaner, followed in the 15th century as Catellain (from French). It is attested a language name since at least 1652. Catalan can be pronounced as /ˈkætəlæn/, /kætəˈlæn/ or /ˈkætələn/.
Output (English): What language is the source of the term Catellain?