Burg-stal

According to the Old English Dictionary:

-stól, es;

burg-stal

m. [burg = beorg, beorh a hill, stal a place, seat, dwelling] A hill-seat, dwelling on a hill; sedes super collem vel clivum. Cot. 209. The name of places built on a hill, as Burstall in Suffolk, Borstall in Kent and Oxfordshire, etc. burg-stal