fætnes
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.
fætnes
l. fǽtnes, and add Fǽtnys crassitudo, Wrt. Voc. i. 51, 12 ; pinguedo, 83, 46. Fǽtnesse sagina, i. pinguedine , An. Ox. 2395: 3179. Hig wǽron gemæste and wiðerodon for hira fǽtnisse, Deut. 32, 15. Hé onféhð innan ðæs inngeðonces fǽtnesse (pinguedinem ), ðæt is wísdóm, Past. 381, 5.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.