sceádan
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
sceádan
I. 1. AddAlswá seó forg scáðeð, C. D. v. 71, 9. Eást úp suae ðet ealden fæstan scáðe; andlang ðes fǽstenes, 70, 30. (1 a) to remove from association or companionship :-- Mið ðý menn sceádas iúih cum homines separauerint uos, Lk. L. 6. 22. Ic cuóm tóo sceádanne (-enne, R.) monno wið ł from fæder his ueni separare hominem aduersus patrem suum, Mt. L. 13, 35. [v. N. E. D. shed.] v. of-sceádan.
This is a supplementary entry with editorial changes to an entry in the main volume of the dictionary. Look under the 'Possibly connected entries' below, or for the same headword in the list to the left.

A Combined List of Abbreviations.

Abbreviation not recognized. See:

A Combined List of Abbreviations.