influent

 
Pronunciation: /ˈɪnflʊənt/

adjective

  • flowing in: some particles delivered in the influent streams settle in the reservoirs

noun

  • a stream, especially a tributary, which flows into another stream or lake.

Origin:

late Middle English (as an adjective): from Latin influent- 'flowing in', from influere (see influence). The noun is recorded from the mid 19th century