affluent (adj.) Look up affluent at Dictionary.com
early-15c., "abounding in, copious" (of God's grace); mid-15c. "flowing to" (of liquids), both senses now obsolete, from Old French afluent (14c.) or directly from Latin affluentem (nominative affluens) "abounding, rich, copious," literally "flowing toward," present participle of affluere "flow toward," from ad- "to" (see ad-) + fluere "to flow" (see fluent). The especial sense of "abounding in wealth or possessions" is from 1769.