grównes
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.
grównes
Add:I. flourishing condition, prosperity Drihten ingc syleð swá myccle grównysse on ingcran beorðre swá hé nǽfre nǽnigan hálgan ǽr ne sealde (vobis deus talem dabit fructum qualem nunquam habuerunt prophetae ), Hml. A. 124, 257. II. offspring (?) Flind genitrix, mínes cynnes gentis, mid mínre grównesse germine, Wrt. Voc. ii. 41, 71-73.
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A Combined List of Abbreviations.