A-sterian
Bosworth & Toller Anglo-Saxon Old English Dictionary - a-sterian
According to the Old English Dictionary:
- a-sterian
- p. ede; pp. ed To agitate, stir, move; commovere, movere :-- He astereþ ðone ródor and ða tungla it moves the sky and the stars, Bt. 39, 8; Fox 224, 6, note.