blót
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.
blót
After gedyde add: and hys godum bebéad hospitum sanguinem diis propinabat; add also Hé his ágenne snnu his godum tó blóte ácwealde, and hine him sylf siððan tó mete gegyrede ipsum filium epulis Iovis non dubitarit inpendere , Ors. 1, 8; S. 42, ll. Hǽðenscipe dreógan on blót, Ll. Th. ii. 296, 28.
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.

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A Combined List of Abbreviations.