hát-hirtan
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.
hát-hirtan
Add: — Háthert stomachatur, An. Ox. 18. 4. Hé hiene ne háthierte, Past. 297, 6. v. ge-háthirtan.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.