Some familiar words flow from this root meaning "to flow," such as "influence," which may be looked at as a flow of power from one person to the other. Another word for "liquid," as you may know, is "fluid."
More Latin Love, Volume II lists: cadere, iacere, onym, and vertere!
ELA Common Core State Standard: "Use common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word."
having an abundant supply of money or possessions of value
To be "affluent" is to have enough money that it just flows in and out of your accounts The idea that money flows is also seen in the word "currency." Doesn't that word bring to mind a current of flowing water?
Foreign travel is becoming ever more popular among China's increasingly affluent citizens.
—BBC (May 17, 2013)
a foul-smelling outflow or vapor (especially a gaseous waste)
Although you can find sentences using "effluvium" to refer to the flow of pleasing vapors, it is usually used in a negative context, referring to the offensive odors of rotting organic materials, such as sewage and garbage. Yucch!
However, acting on my best judgment, I struck a downward course, and then suddenly a horrible effluvium was wafted to my nostrils.