Ofer-ealdormann

According to the Old English Dictionary:

es;

ofer-ealdormann

m. A chief officer :-- Hé wæs hyre þéna hire húses and hire geférscipes oferealdormann erat primus ministrorum et princeps domus ejus, Bd. 4, 3; S. 567, 22. ofer-ealdormann