symploce

from WordNet (r) 3.0 (2006)

symploce
    n 1: repetition of a word or phrase at the beginning and another
         at the end of successive clauses, i.e., simultaneous use of
         anaphora and epistrophe

from The Collaborative International Dictionary of English v.0.48

Symploce \Sym"plo*ce\, n. [L., fr. Gr. ? an interweaving, fr. ?
   to twine together; ? + ? to twine.] (Rhet.)
   The repetition of a word or phrase at the beginning and
   another at the end of successive clauses; as, Justice came
   down from heaven to view the earth; Justice returned to
   heaven, and left the earth.
   [1913 Webster]