Festnes
Dictionnaire Anglo-Saxon de Bosworth & Toller - festnes
Selon le Dictionnaire Anglo-Saxon :
-ness, e;
- festnes
- f. A fastness, firmament; firmāmentum :-- Weorc handa his bodaþ festnes [MS. fesnesse] ŏpĕra mănuum ejus annuntiat firmāmentum, Ps. Spl. T. 18, 1.