Æbban dún

According to the Old English Dictionary:

Abban dún, e;

Æbban dún

f. [Æbba, an; m: or Æbbe, an; f: dún a down or hill; Æbba's or Æbbe's down or hill] ABINGDON; Abindoniæ oppidum in agro Berceriensi :-- His líc líþ on ðam mynstre æt Abban dúne his body lies in the monastery at Abingdon, Chr. 981; Th. 234, 34, col. 1. æbban dun