swipu
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.
swipu
. I. AddÐonne þú swype habban wille, þonne wege þíne fýst swylce þú swingan wille, and rǽr úp þíne twǽgen fingras, Tech. ii. 122, 13. Hé wæs lustlíce þone lyre þæs horses þoliende, and eác þá swipan (Flagellum ) þe hé on his handa hæfde, þá hé þám reáfiendum mannum bróhte þus cweðende: 'Nimað þás swipan gé magan þis hors mid drífan,' Gr. D. 14, 18-22.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.