Fæst-land
Bosworth & Toller Anglo-Saxon Old English Dictionary - fæst-land
According to the Old English Dictionary:
es;
- fæst-land
- n. Land adapted to resist attack, that is hard to invade: -- Fóran wé þurh ðá fæstlond and þurh þá ungeférenlican eorþan we marched through country which could easily have been defended and over ground that was almost impassable, Nar. 17, 6. IV. fæst-land