prodormio

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

prō-dormĭo, īvi or ĭi, 4, v. n.,

to sleep before (post - Aug.): sive prodormias, sive pervigiles, Front. Ep. ad M. Caes. 1, 4 Mai; so id. ib. 4, 6; 5, 22.