APPERTAIN Meaning of APPERTAIN in English [ ˌapə'teɪn ]■ verb1》 ( ~ to ) relate to. 2》 be appropriate.OriginME: from OFr. apertenir , from late L. appertinere , from ad- 'to' + L. pertinere 'to pertain'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004