chiliarchy/ˈkɪlɪɑːki/EtymologyFrom Latin chiliarchia, from Ancient Greek χιλιαρχία (khiliarkhía), from χῑ́λιοι (khī́lioi, “1000”) + -αρχία (-arkhía, “-archy: rule by”). Equivalent to chilia- + -archy.nounA regiment of 1000 soldiers, typically commanded by a chiliarch.The office or position of a chiliarch.A government of 1000 rulers.