ganra
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.
ganra
AddAnser [vel ganra (added in another hand )] hwít gós, Wülck. Gl. 284, 13. Gandra (ganra, v. l.) anser , Ælfc. Gr. Z. 43, 14. Gif wíf eteð hanan flǽsc oððe ganran, Lch. iii. 144, 24. ¶ in a place-name :-- Andlang weges upp on gandran dúne, C. D. v. 166, 6.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.