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reduplicate

[v. ri-doo-pli-keyt, -dyoo-; adj. ri-doo-pli-kit, -keyt, -dyoo-] /v. rɪˈdu plɪˌkeɪt, -ˈdyu-; adj. rɪˈdu plɪ kɪt, -ˌkeɪt, -ˈdyu-/
verb (used with object), reduplicated, reduplicating.
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), reduplicated, reduplicating.
3.
to become doubled.
4.
Grammar. to become reduplicated.
adjective
5.
Origin
1560-1570
1560-70; < Late Latin reduplicātus (past participle of reduplicāre), equivalent to Latin re- re- + duplic(āre) to double + -ātus -ate1 (see duplicate)
Can be confused
redouble, reduplicate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for reduplicated

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)
3.
doubled or repeated
4.
(of petals or sepals) having the margins curving outwards
Derived Forms
reduplicative, 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
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Word Origin and History for reduplicated

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
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