Origin of multiplex
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
multiplex
noun
adjective
verb
Word Origin for multiplex
C16: from Latin: having many folds, from multi- + plicāre to fold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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multiplex
Online Etymology Dictionary, © 2010 Douglas Harper