þerscan
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.
þerscan
I. AddHé slóh þá beran and þærsc mid telgan ursos ferula caedebat, Gr. D. 229, 21. Hí ealle ongunnon heora hors mid heora sceftum þerscan (tundere ) 14, 28. Þá ongan heó þerscan (beátan, v.l. tundere ) heó sylfe mid hire fýste ge eác mid hire brádum handum, 68, 27. II. AddGylmas on flóre tó þrexene manipulos in area triturandos, An. Ox. 3433.
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A Combined List of Abbreviations.