Isonomia (?σονομ?α "equality of political rights,"Henry George Liddell, Robert Scott, A Greek-English LexiconThe Athenian Democracy in the Age of Demosthenes", Mogens Herman Hansen, ISBN 1-85399-585-1, P.81-84 from the Greek ?σο? isos, "equal," and ν?μο? nomos, "usage, custom, law,") was a word used by ancient Greek writers such as HerodotusHerodotus 3.