afluente
tributary
noun ah-floo-EN-teh Rare
Origin: from Latin affluens, present participle of affluere (to flow toward)
Also means
abundant (in words)
Usage Note
Afluente as a noun is a river or stream that flows into a larger one: el río Segre es un afluente del Ebro. The English 'affluent' meaning wealthy is a false friend — that idea is adinerado or acaudalado in Spanish, not afluente. As an adjective afluente means 'flowing in' or, of speech, 'abundant in words', not 'rich'.
Examples
"El arroyo es un pequeño afluente del río."
Natural Translation
The stream is a small tributary of the river.

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