Dícian

According to the Old English Dictionary:

dícian

p. ode; pp. od To DIKE, bank, mound; aggārāre, cingĕre:Ðǽr Severus hét dícian and eorþwall gewyrcan there Severus commanded to raise a bank and to make an earth wall, Bd. 1, 12; S. 481, 9. DER. be-dícian, ge-. dician