generate questions: 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/.
When did the reference Catelaner first appear? {sep_token} What is a Catalan person called in the 15th century? {sep_token} What language is the source of the term Catellain? {sep_token} What is the language source of the term Catelaner? {sep_token} Since what year has this term been used?