beón
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.
beón
2. add : e. with adv., expressing motion Beón hí on ofeste útweard cum festinatione egrediantur foras , Chrd. 21, 28; 33. 3. AddHí gesáwon Thesali of hiora horsum beón feohtende wið hié, Ors. 1, 9; S. 42, 33. v. ge-beón.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.