Real Dictionary

epanalepsis in American English
noun: a repetition of a word or a phrase with intervening words setting off the repetition, sometimes occurring with a phrase used both at the beginning and end of a sentence, as in Only the poor really know what it is to suffer—only the poor.

epanalepsis in British English
noun: the repetition, after a more or less lengthy passage of subordinate or parenthetic text, of a word or clause that was used before