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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British Dictionary definitions for -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