syn-lust
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.
syn-lust
AddHé geteáh þone synlust (unlust, v. l. voluptatem) in his líchaman sár . . . hé swá onwænde þá hǽte and þone synlust . . . seó costung synlustes wæs átemed on him, Gr. D. 101, 24-34. Hí onǽldon þǽra geongrena mód tó forcyrrednesse heora synlustes (libidinis ), 119, 15. Hé wæs beswicen þyses middaneardes synlustum (immundo desiderio), 230, 12.
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.