Meaning of ESOTERIC in English

/ ˌesəˈterɪk; NAmE ; ˌiːsə-/ adjective

( formal ) likely to be understood or enjoyed by only a few people with a special knowledge or interest



mid 17th cent.: from Greek esōterikos , from esōterō , comparative of esō within, from es , eis into.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.