on-bæc
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.
on-bæc
Add:I. of motion. 1. in retreat from a point reached Geong onbæcc ł mec behianda uade retro me, Mk. L. 8, 33. Eádun onbæcg abierunt retrorsum, Jn. L. 18, 6. 2. in return to a point previously occupied Ne áwoendað onbæcc non redeant retro, Lk. L. 17, 31. Ne eft gecerres onbæcg non reuertatur retro, Mk. L. 13, 16. II. of looking Ne eft-lócca onbæc non respicere retro, Lk. p. 6, 14. Onbæcg, Lk. L. 9, 62.
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A Combined List of Abbreviations.