mis-faran
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.
mis-faran
; I. AddNú secgað sume menn him sceole gelimpan swá swá him gesceapen wæs and geset æt fruman, and ne magon forbúgan hí misfaran ne sceolan. Nú secge wé gif hit swá beón sceal, hit is unnyt bebod . . . 'Declina a malo et fac bonum,' Hml. S. 17, 224. [v. N. E. D. misfare.]
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.