á-hwettan
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.
á-hwettan
AddIs mé swíþe earfeðe hiera mód tó áhwettanne necessarium acumen elicere non possum, Ors. 4, 13; S. 212, 30. His mód wæs mid þǽm bismre áhwet hac contumelia quasi cote ad virtutem usus est, 6, 30; S. 280, 14.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.