extramural
adjective
[ ˌɛkstrəˈmjʊər(ə)l ]
• (of a course of study) arranged for people who are not full-time members of a university or other educational establishment.
• "extramural education"
• outside the walls or boundaries of a town or city.
• "the extramural cemetery in Brighton"
Origin:
mid 19th century (in extramural (sense 2 of the adjective)): from Latin extra muros ‘outside the walls’ + -al.