reduplicate

[verb ri-doo-pli-keyt, -dyoo-; adjective ri-doo-pli-kit, -keyt, -dyoo-]
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verb (used with object), re·du·pli·cat·ed, re·du·pli·cat·ing.
  1. to double; repeat.
  2. Grammar. to form (a derivative or inflected form) by doubling a specified syllable or other portion of the primitive, sometimes with fixed modifications, as in Greek léloipa “I have left,” leípo “I leave.”
verb (used without object), re·du·pli·cat·ed, re·du·pli·cat·ing.
  1. to become doubled.
  2. Grammar. to become reduplicated.
adjective
  1. doubled.

Origin of reduplicate

1560–70; < Late Latin reduplicātus (past participle of reduplicāre), equivalent to Latin re- re- + duplic(āre) to double + -ātus -ate1 (see duplicate)
Can be confusedredouble reduplicate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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Historical Examples of reduplicate


British Dictionary definitions for reduplicate

reduplicate

verb (rɪˈdjuːplɪˌkeɪt)
  1. to make or become double; repeat
  2. to repeat (a sound or syllable) in a word or (of a sound or syllable) to be repeated, esp in forming inflections in certain languages
adjective (rɪˈdjuːplɪkɪt)
  1. doubled or repeated
  2. (of petals or sepals) having the margins curving outwards
Derived Formsreduplicative, adjective
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 reduplicate
v.

1560s, from Medieval Latin reduplicatus, past participle of reduplicare "to redouble," from re- "back, again" (see re-) + Latin duplicare "to double" (see duplicate (adj.)). Related: Reduplicated; reduplicating; reduplicative.

Online Etymology Dictionary, © 2010 Douglas Harper