cyssan
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
§7,
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
cyssan
AddHió cyst deosculatur, Kent. Gl. 192. Ne cys þú míne fét, Hml. S. 5, 301. Cyssan bassiare, Wrt. Voc. ii. 86, 19. Ǽlc þára manna þe óðerne swíðe lufað, hine lyst bet cyssan ðonne óðerne on bær líc, þonne þér þǽr cláðas betweóna beóð, Shrn. 185, 31. Sylle heom eallum cyssan bóc, Ll. Th. i. 226, 25. Cyssende handa osculans manus, Angl. xiii. 416, 730.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.