egesung
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.
egesung
AddSend hé him tó swá fela eóroda þe mihton gebígan mennisc him tó, oþþe mid egsunge þæt hig bugon tó sibbe, oþþe mid wíge hí wurdon gewylde, Jud. Thw. 161, 37. Hé ondrǽde [þæs wítegan] egesunge metuat prophete comminationem, R. Ben. I. 58, 13.
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.