fadung
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.
fadung
AddÞises sealmsanges fadung (fandung, v. l.) and endebyrdnes haec distributio psalmorum, R. Ben. 44, 14. On swylcere fadunge (fandunge, v. l.) . . . eal mynstres fadung (ordinatio ), 125, 4-7. Léden and Englisc nabbaþ ná áne wísan on þǽre sprǽce fadunge (fandunge, MS.), Ælfc. Gen. Thw. 4, 8. Þæt is gedón be Godes fadunge, Hml. Th. i. 518, 31 : Hml. S. 23, 257 : Hex. 40, 26.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.