Lewis Short
(adverb) : vĭcissātim, vicis
* In return, again (ante-class. for the class. vicissim): ad argumentum vicissatim remigrare,Plaut. Poen. prol. 46; id. Stich. 4, 1, 27; Naev. ap. Non. p. 183, 15.
Charlton T. Lewis, Charles Short, A Latin Dictionary