A-setnys
Bosworth & Toller Anglo-Saxon Old English Dictionary - a-setnys
According to the Old English Dictionary:
-nyss, e;
- a-setnys
- f. What is set or fixed, a statute, law; constitutio, statum :-- Eádmundes cyninges asetnysse king Edmund's institutes, L. Edm. E. 1 ; Th. i. 244, 1. a-setnys