expound

[ik-spound]
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verb (used without object)
  1. to make a detailed statement (often followed by on).

Origin of expound

1250–1300; Middle English expounen, expounden < Old French espondre < Latin expōnere to put out, set forth, explain, equivalent to ex- ex-1 + pōnere to put
Related formsex·pound·er, nounpre·ex·pound, verb (used with object)un·ex·pound·ed, adjective

Synonym study

2. See explain.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for expounder

expound

verb
  1. (when intr, foll by on or about) to explain or set forth (an argument, theory, etc) in detailto expound on one's theories; he expounded his reasoning
Derived Formsexpounder, noun

Word Origin for expound

C13: from Old French espondre, from Latin expōnere to set forth, from pōnere to put
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 expounder

expound

v.

c.1300, from Old French espondre "expound (on), set forth, explain," from Latin exponere "put forth, explain, expose, exhibit," from ex- "forth" (see ex-) + ponere "to put, place" (see position); with intrusive -d (cf. sound (n.1)). The usual Middle English form was expoune. Related: Expounded; expounding.

Online Etymology Dictionary, © 2010 Douglas Harper