scip-líþend
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.
scip-líþend
scip-líþende. AddOn sǽ bið þæt sciplíðendra cwalm swá mycel, nænig man ne wát tó secganne ne nǽnigum eorðcyninge be ðám sciplíðendum illo tempore navium adcessio erit in pelago, ut nemo nemini novum referrat regi terrę, Verc. Först. 119, 15. Hí sóhton betwux sciplíþende, Hml. S. 33, 188.
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.