þá
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.
þá
I. AddBe ðǽm wæs swíðe wel gecweden ðurh ðone wítgan ... ðǽ cwæð se wítga unde bene per prophetam dicitur, Past. 409, 33. II, add :-- Him þá etendum, Mk. 14, 22. Hér Cynegíls and Cuichelm gefuhtun wið Pendan, and geþingodan þá, Chr. 628; P. 24, 18. III. 1. AddÞám forman, dæge azimorum, þá hí eástron offrodon, Mk. 14, 12. v. geó.
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A Combined List of Abbreviations.