brégan
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.
brégan
AddÚs deófol brégð mid yfelum geðóhtum, Hml. Th. i. 156, 30. Mid óðrum worde hé hierte, mid óðrum hé brégde (terret), Past. 53, 11. Réðe forebécna folc earmlíce brégdon, Chr. 793; P. 55, 33. Þæt hit leásung wǽre, þæt hí þæt folc mid brégdan, Wlfst, 100, 7. Ðá óðre sint tó bréganne (-eanne, v. l.) istis inferre metum debemus, Past. 181, 7. Bregende terrentia, An. Ox. 4419. [O. H. Ger. bruogen terrere.]
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.