reretreat

noun

1. a second retreat.

   “However, the ice sheet did not pass away by continuous and steady recession but by oscillations, readvances and reretreats; and some of the readvances may have covered considerable territory and have seriously changed the drainage.”

   “The ice margin had many oscillations, readvances and reretreats, each probably covering many thousands of years.”

   “Nuruddin feigned reretreat.”