scencan
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.
scencan
AddEustachius gelǽdde hí intó his gesthúse, and út gangende bohte him wín and him scencte for heora micclan geswince, Hml. S. 30, 259. Geneálǽcean mid þancdǽde tó scencenne drincan accedant cum gratiarum actione ad haurienda pocula, Angl. xiii. 393, 394. Fram yldran sí scenced þám abbude a priore propinetur abbati, 416, 731, [v. N. E. D. shench.] v. ge-scencan.
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A Combined List of Abbreviations.