Hál-fæst

According to the Old English Dictionary:

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. hal-fæst