Ge-mearc

According to the Old English Dictionary:

es;

ge-mearc

n. A boundary, limit; lŏcus designātus :-- Gewát him se æðeling to ðæs gemearces ðe him Metod tǽhte the man departed to the limit which the Lord had shewn him, Cd. 139; Th. 174, 28; Gen. 2885. DER. fót-gemearc, fyrst-, geár-, míl-, þing-, word-. ge-mearc