Þel-fæsten(n)
Bosworth & Toller Anglo-Saxon Old English Dictionary - þel-fæsten(n)
According to the Old English Dictionary:
es;
- þel-fæsten(n)
- n. A fortress of planks (Noah's ark) :-- Nolde seó culufre under salwed bord syððan ætýwan on þellfæstenne, Cd. Th. 89, 17; Gen. 1482. þel-fæstenn