Atavising was new to me. From https://nbickford.wordpress.com/2012/04/15/reversing-the-gam... :

> First of all, while I said “Predecessorifier” in the talk, “Ataviser” seems to be the accepted word, coming from “Atavism”, which the online Merriam-Webster dictionary defines as “recurrence of or reversion to a past style, manner, outlook, approach, or activity”.