séþung
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.
séþung
AddÞǽt wiðcwæit. . . Defensor, ac hé wearð gescynd þurh Godes séþunge . . . Ðá wearð folc ástyrod on swíðlicum hreáme Godes sylfes séðung þǽr geswutelod wǽre, Hml, S. 31, 270-282. Gregorius ábæd æt Críste þæt hé æteówode ánum twýnigendum wífe embe his gerýnu mycele séðunge, Hml. Th. ii. 272, 24. Se apostol áýdlode ealle þæs drýes séðunge, and geswutelode ðurh wítegena séðunge þæt Críst is sóð Godes sunu, 412, 29-414, 2: 420, 5.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.