The Collaborative International Dictionary
Pecunious
Pecunious \Pe*cu"ni*ous\, a. [L. pecuniosus, fr. pecunia: cf. F.
p['e]cunieux.]
Abounding in money; wealthy; rich. [Obs.]
--Sherwood.
Douglas Harper's Etymology Dictionary
pecunious
late 14c., from Latin pecuniosus "abounding in money," from pecunia "money" (see pecuniary). Related: Pecuniously; pecuniousness.
Wiktionary
pecunious
a. 1 With money, wealthy; financially independent. 2 (context figuratively English) rich (of quality, etc.)