dihtnere
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.
dihtnere
AddDihtnere dispensator, Wrt. Voc. i. 74, 14. Dictator, i. dictor, relator, praeceptor, imperator, dihtnere, ordinator, prescriptor, ii. 140, 5. Híwrǽddene wurðe gesetton dihtneran (-as?, e?) domui Dei dignum constituant dispensatorem, R. Ben. I. 107, 12. Getreówne dyhtnere his hálegra cyricena (Dunstan ), Lch. iii. 434, 21. Se cyningc him tó gecígde his dihtnere, Ap. Th. 5, 13.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.