swæþ
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.
swæþ
I. add: — Eálá! wǽre mé gelýfed ic móste þínum swaðum fyligan and þínes deórwyrðan andwlitan gesihðe brúcan, Hml. S. 23 b, 710. II. add Hé gemétte fæt swá gehál on him ne mihton beón fundene náne swaðu (vestigia ) þæs bryces, Gr. D. 97, 23. v. (?) swæþ ?
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.