7 letters · 13 points in Scrabble
noun the discharge of a fluid from some container
noun the process of flowing out
noun a natural flow of ground water
originFrom 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.
Etymology from Wiktionary, CC BY-SA 3.0