Antimetabole

·noun A figure in which the same words or ideas are repeated in transposed order.

antimetabole
antĭmĕtăbŏlē, ēs, f., = ἀντιμεταβολή, a rhet. fig., a reciprocal interchange , in Auct. ad Her. 4,...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.