Prodiorthosis; or, Warning
Something said to prepare for a shock
Pro-di-or-tho-sis. Greek, , a preparatory apology, from (pro), before, and (diorthosis), a making straight, putting right; from (diortho), to make straight, set straight.
This is the previous Figure of Protherapeia used to prepare the hearers or readers for what might otherwise shock or offend them.