cennestre
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.
cennestre
AddEálá ðú eádige Godes cennestre, symle mǽden Maria, Hml. Th. i. 546, 8. Cynnestre, 354, 20. Seó wæs cennnystre úres Drihtnes Hǽlendes Crístes, Hml. A. 117, 5. Þǽre hálgan Godes cennestran anlícnys, Hml. S. 23 b, 430. Seó cyrice is háli þǽre eádigan Godes cennestran, Gr. D. 88, 4. Þæt eádige mǽden his cennestran, Hml. Th. i. 438, 18.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.