sliht
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.
sliht
At end for fiðer (-el?) l. fiþer-. III. Add'Eall folc þe þú þǽr finde, sleh mid sweorde . . . Æfter þám ilcan slehte (slyhte, v. l. caedem) . . . Þá þe ǽr flugon þone sleht, Gr. D. 198, 6-18. v. and-, ge-sliht.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.