outflow

Etymology

From Middle English outflowen, from late Old English ūtflōwan (attested in the past tense as ūt flēow), equivalent to out- + flow. The noun is derived from the verb.

noun

1. The process of flowing out.
2. A fluid that flows out.
   Borg’s home, which he built with his wife and two sons among tall conifers 33 years ago, overlooks the Nipigon River, an outflow from the lake of the same name. December 2020, Tim Folger, “North America’s most valuable resource is at risk”, in National Geographic
3. Any outward movement.
4. (astronomy) A stream of gaseous material emanating from an active galactic nucleus.
5. The part of a system that allows material to flow out.
6. (sewage) Something that flows out of a sewage treatment plant.

verb

1. (intransitive) To flow outward.