cnotta
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.
cnotta
Add:I. a knot, fastening Hét hé þone wer gebindan and ǽnne mæssepreóst . . . mid heardum cnottum samod, Hml. S. 29, 214. Unbindan þá fæstan cnottan synna, 10, 47. Hé unhand þá rápas and þá cnottan þára bænda, Gr. D. 165, 4. II. a knotty point, difficulty Hé hine befrán be gehwylcum cnottum þe hé sylf ne cúþe on þǽre hálgan béc, Angl. vii. 2, 13.
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A Combined List of Abbreviations.