gísel
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.
gísel
AddGísel obses, An. Ox. 45, 4. Philippus, þá hé cniht wæs, wæs Thebanum tó gísle geseald (obses Thebanis datus ), Ors. 3, 7; S, 110, 20. Gísl obsidem, Wrt. Voc. ii. 84, 3. Gíslas obsides, 115, 10. Hé siex hund gísla on his geweald underféng sexcentis equitibus in obsidatum receptis, Ors. 3, 8; S. 122, 3. Man gíslas, (gýslas, v. l. ) sylle friðe tó wedde, Ll. Th. i. 156, 5. In tó West-Sexan þyder hý scylan gafol and gíslas syllan, 356, 20. v. fore-gísel, friþ-gísel.
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A Combined List of Abbreviations.