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thereof

[th air-uhv, -ov] /ˌðɛərˈʌv, -ˈɒv/
adverb
1.
of that or it.
2.
from or out of that origin or cause.
Origin of thereof
1000
before 1000; Middle English therof, Old English thǣrof. See there, of1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for thereof

thereof

/ˌðɛərˈɒv/
adverb (formal)
1.
of or concerning that or it
2.
from or because of that
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 thereof
adv.

Old English þær of; see there + of.

Online Etymology Dictionary, © 2010 Douglas Harper
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13
12
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