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twice

[twahys] /twaɪs/
adverb
1.
two times, as in succession:
Write twice a week.
2.
on two occasions; in two instances:
I phoned him twice.
3.
in twofold quantity or degree; in double the amount or degree:
twice as much.
Origin of twice
1150
before 1150; Middle English twies, equivalent to twie twice (Old English twige, cognate with Old Frisian twīa, Old Saxon tuuīo; see twi-) + -s -s1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for twice

twice

/twaɪs/
adverb
1.
two times; on two occasions or in two cases: he coughed twice
2.
double in degree or quantity: twice as long
Word Origin
Old English twiwa; related to Old Norse tvisvar, Middle Low German twiges
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for twice
adv.

late Old English twiga, twigea "two times" (cognate with Old Frisian twia, Old Saxon tuuio) + adverbial genitive ending -es.

Online Etymology Dictionary, © 2010 Douglas Harper
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Idioms and Phrases with twice
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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10
11
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