adj. inflowing, influent; affluent

nm. current; inflowing; tributary; affluent

adj. concurrent, confluent; affluent; tributary

n. concurrent, confluent; affluent; tributary

(n.) = tributary.
Ex: Derbyshire retains an important group of early cotton mills, most of them distributed along the River Derwent and its tributaries.

afluo, afluere, afluxi
v. flow/stream/issue (from), flow away; abound in (w/ABL), be abundant, abound;