ofer-sprǽc
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.
ofer-sprǽc
AddHú micel ofersprǽc cymeð of ðǽre oferwiste quanta sibi per esum loquacitas insidietur, Past. 313, 10.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.