þór
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.
þór
AddÐes Iouis is árwurðost ealra þǽra goda ðe ðá hǽðenanhæfdon on heora gedwylde, and hé hátte Ððr betwux sumum þeódum; ðane ðá Deniscan leóde lufiað swíðost, Sal. K. 122, 51. Se deófol hine þám hálgan æteówde on þǽra hǽþenra goda híwe, hwííon on Ioues híwe, þe is geháten þór, Hml. S. 31, 714.
This is a supplementary entry with editorial changes to an entry in the main volume of the dictionary. Look under the 'Possibly connected entries' below, or for the same headword in the list to the left.

A Combined List of Abbreviations.

Abbreviation not recognized. See:

A Combined List of Abbreviations.