lĭmĕnarcha — Lewis & Short
lĭmĕnarcha, ae, m.vox hybrida; limen, a)/rxw; cf. Germ. Markgraf; Engl. margrave,
limenarchae et stationarii fugitivos deprehensos recte in custodiam retinent,Dig. 11, 4, 4; Paul. Sent. 1, 6, 3 (acc. to others, a harbor-master, port-warden).