The Collaborative International Dictionary
eirenarch
Irenarch \I"re*narch\, n. [L. irenarcha, irenarches, Gr. ?; ? peace + ? to rule.] (Gr. Antiq.) An officer in the Greek empire having functions corresponding to those of a justice of the peace. [Written also eirenarch.]
Wiktionary
eirenarch
n. (alternative form of irenarch English)