hál-fæst
This might be just a supplemental entry substituting part of an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
hál-fæst
For 'Lye' substitute His sáule gyltas . . . onwreoða . . . suman swá gástlicum bréðer þe hálfæst sý and his sáule wundela gehǽlan cunne (spiritali seniori qui sciat curare sua vulnera ), R. Ben. 72, 6.
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.