opulence (n.) Look up opulence at Dictionary.com
c. 1510, from Middle French opulence (16c.), from Latin opulentia, from opulentus "wealthy," dissimilated from *op-en-ent-, related to ops "wealth, power, resources," opus "work, labor, exertion," from PIE root *op- (1) "to work, produce in abundance" (see opus).