Lewis Short
(adjective) : sumptŭārĭus, a, um, 2. sumptus
* Of or relating to expense, sumptuary: rationes nostrae,Cic. Att. 13, 47, 1: lex,id. ib. 13, 7, 1; cf. id. Fam. 7, 26, 2; Suet. Caes. 43; id. Aug. 34; Gell. 2, 24.
Charlton T. Lewis, Charles Short, A Latin Dictionary