A-heordan

According to the Old English Dictionary:

?

a-heordan

p. de; pp. ed [heorde = hyrde a guardian, keeper] To set free from a guardian; e custodia liberare :-- Abreót brimwísan, brýd aheorde slew the sea-leader, set free his bride, Beo. Th. 5853; B. 2930. a-heordan