ofer-heáfod
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.
ofer-heáfod
Add: [v. N. E. D. over-head]: ofer-heáh. Add: [Orm. oferr-heh] : ofer-hebban. Add: II. to uplift, exalt. v. ofer-hebbendlic. [Overhofen sal be over Yban his fruyte, Ps. 71, 16. Goth. ufar-hafjan sik to exalt oneself: O. H. Ger. ubar-heven sih.] [v. N. E. D. over-heave.]
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.