Lewis Short
(adj.adv.) : pĕcūnĭāris, e, adj.pecunia
* Of or belonging to money, pecuniary (post-class. and rare for pecuniarius): damnatio,i. e. to pay a fine,Dig. 48, 19, 10 fin. dub. (al. pecuniaria).—Hence, adv.: pĕcūnĭārĭter, relating to money, pecuniarily, Dig. 47, 1, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary