What does -cracy mean?

-cracy meaning in Etymology Dictionary

word-forming element developing nouns meaning "rule or federal government by," from French -cratie or right from Medieval Latin -cratia, from Greek -kratia "power, might; rule, sway; power over; an electric, expert," from kratos "energy," from PIE *kre-tes- "power, strength," suffixed as a type of root *kar-/*ker- "hard" (see tough). The connective -o- has arrived become seen as section of it. Effective in English from c.1800.