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efflux

[ef-luhks] /ˈɛf lʌks/
noun
1.
outward flow, as of water.
2.
something that flows out; effluence.
3.
a passing or lapse of time.
4.
a passing away; expiration; ending.
Also, effluxion
[ih-fluhk-shuh n] /ɪˈflʌk ʃən/ (Show IPA),
(for defs 3, 4).
Origin
1635-1645
1635-45; < Medieval Latin effluxus, equivalent to Latin ef- ef- + fluc-, variant stem of fluere to flow + -sus, for -tus suffix of v. action
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for effluxion

efflux

n.

1640s, from Latin effluxus, past participle of effluere (see effluence).

Online Etymology Dictionary, © 2010 Douglas Harper
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