bútan
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
bútan
Add: with nom. Eall úre folc mid fleáme astwand búton wé feówertig Þe on ðám feohte stódon, Hml. S. 11, 74. C. II 1. :-- Hý man gecnáwan ne mæg, búton -tonne heo gréwð, Lch. i. 98, 4. III 2. :-- Ne can ic nǽnignee
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.