This might be just a supplemental entry adding to an entry in the Main Volume.
ofer-leóran
. I. add:I a.to pass by, abandon :-- Þonne wǽre him wén þ̵ hé oferliórde and forléte þone gewunan his ágenre stíþnysse fortassis sui vigoris usum excederet, Gr. D. 106, 5.
Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "ofer-leóran." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 66.