A-sǽlan

According to the Old English Dictionary:

a-sǽlan

p. -sǽlde; pp. -sǽled [a, sǽlan to bind] To bind fast, bind; astringere, ligare :-- Synnum asǽled bound fast by sins, Elen. Kmbl. 2485; El. 1244: Cd. 100; Th. 132, 18; Gen. 2195: 166; Th. 207, 21; Exod. 470. a-sælan