Á-wacan

According to the Old English Dictionary:

á-wacan

to spring, arise. Add:--Fram þan Wódne eall úre cynecynn áwóc, Chr. 449; P. 13, 25: 547; P. 17, 20. Odo þe þás þyng of áwócan, 1087; P. 223, 25. Hú fela þeóda áwócon of his iii. bearnum?, Sal. K. 182, 24, 26. Cf. on-wacan. a-wacan