wellspring

[wel-spring]
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noun
  1. the head or source of a spring, stream, river, etc.; fountainhead.
  2. a source or supply of anything, especially when considered inexhaustible: a wellspring of affection.

Origin of wellspring

before 900; Middle English welle spring, Old English wyllspring; see well2, spring
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for wellspring

origin, root, source, beginning, fountainhead, aquifer

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British Dictionary definitions for wellspring

wellspring

noun
  1. the source of a spring or stream; fountainhead
  2. a source of continual or abundant supply

Word Origin for wellspring

Old English welspryng, wylspring; see well ², spring
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for wellspring
n.

Old English welspryng, literal and figurative, see well (n.) + spring (n.2).

Online Etymology Dictionary, © 2010 Douglas Harper