mán
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
§5,
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
mán
AddMid deóflum drohtnoð habban in morðre and on máne, Wlfst. 187, 18. Uton forbúgan mán and morðor, 188, 14. Mán pro nefas, An. Ox. 53, 27. Synt mán ( nequitiae ) on heora wunungum, Ps. L. 54, 16. Mánu flagitia, Scint. 88, 15. Hwǽr syndon úre godas þe swylcra mána gyrnen swilce hiora wǽron, Ors. 1, 8; S. 40, 29.
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.

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A Combined List of Abbreviations.