ληξίαρχος
From LSJ
ἐπὶ πολλῆς ἡσυχίας καὶ ἠρεμίας ὑμῶν → leaving you entirely at rest
English (LSJ)
ὁ, the officer at Athens who kept order in the ἐκκλησία, Poll.8.104.
German (Pape)
[Seite 40] in Athen derjenige Beamte bei jedem Demos, der die jungen, wahlfähigen Bürger in die Listen der Bürger einschreibenließ, Poll. 8, 104.
Greek (Liddell-Scott)
ληξίαρχος: ὁ, ἄρχων ἐν Ἀθήναις ὅστις ἐνέγραφε τοὺς ἐνήλικας νέους εἰς τὸ ληξιαρχικὸν βιβλίον τοῦ δήμου αὑτῶν, Πολυδ. Η΄, 104.