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definitions

-cracy

a combining form occurring in loanwords from Greek (aristocracy; democracy); on this model used, with the meaning “rule,” “government,” “governing body,” to form abstract nouns from stems of other origin: mobocracy; bureaucracy.

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Compare -crat.

Origin of -cracy

< Middle French -cracie (now -cratie) < Late Latin -cratia < Greek -kratia, equivalent to krát(os) rule, strength, might (akin to hard) + -ia -y3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for -cracy

-cracy

n combining form

indicating a type of government or ruleplutocracy; mobocracy See also -crat

Word Origin for -cracy

from Greek -kratia, from kratos power
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 -cracy

word-forming element forming nouns meaning "rule or government by," from French -cratie or directly from Medieval Latin -cratia, from Greek -kratia "power, might; rule, sway; power over; a power, authority," from kratos "strength," from PIE *kratus "power, strength" (see hard). The connective -o- has come to be viewed as part of it. Productive in English from c.1800.

Online Etymology Dictionary, © 2010 Douglas Harper