gift-búr
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.
gift-búr
AddSe quadrans forðstæpð wel orglíce swylce hwylc cyng of his giftbúre stæppe geglenged, Angl. viii. 299, I. Of gyftbúre de thalamo , Ps. Rdr. 18, 6.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.