sám-cwic
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.
sám-cwic
AddHé Smaragdum forðférendne geseah, and Pafnuntium sámcwicne on eorðan licgan, Hml. S. 33, 302. Mid flánum ofscotene, mid wǽpnum ofsette, hí heora burh sámcuce (cf. healfcwice, Bl. H. 203, 19) gesóhton, Hml. Th. i. 506, 2.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.