fæs
This might be just a supplemental entry adding to an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
fæs
Addte fæse giwédum his gehrionon ut fimbriam uestimenti ejus tangerent , Mk. R. 6, 36. Þone munuc sum sweart cniht teáh út be þám fæsce (per fimbriam ) his hrægles, Gr. D. 111, 28. Gihrán fæste tetigit fimbriam , Lk. R. 8, 44. Heó gehrán fes (fæs, v. l. ) his hrægles, Bd. 1, 27 ; Sch. 82, 3. Feasum fimbriis , Ps. Srt. 44, 15. [Cf. Prompt. Parv. fasylle of a clothe fractillus. O. H. Ger. faso(-a) fimbria.]
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.