Á-stellan
Bosworth & Toller Anglo-Saxon Old English Dictionary - á-stellan
According to the Old English Dictionary:
(i, y);
- á-stellan
- p. de To leap, rush, fly off :-- Se þorn, efne swá swá strǽl of bogan ástelleþ, swá hé of þám man áfleáh, Guth. 68, 22. Hé hraþe ástylde (forð árǽsde, ) of his ræste ex lecto prosiliit, Gr. D. 21, 28. a-stellan