ge-swencednes
This might be just a supplemental entry adding to an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
ge-swencednes
Add: - — Þá wearð hé geneádod hé on his ágenre geswencednysse (-swænced-, -swencend-, v. ll. ) oncneówe hwæt hé sylf wæs compulsus est cognoscere in sua vexatione quid esset, Gr. D. 73, 5 : II. Fram geswincednesse (the vowel of the second syllable is not clear, it may be y) a tribulatione, Ps. L. 106, 39.
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.