under
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
under
; I 3 f. add: — Hú mihte Abraham beón clǽne, hé nǽre forligr geteald, þá þá hé hæfde cyfese under his rihtwífe ? quomodo defenditur Abraham adulterii reus non esse, dum viventi legitima uxore sua conjunctus est ancillae suae ? f, Angl. vii. 46, 440. II. I c. add Lǽt reócan swíþe betweoh þá þeóh úp under þæt hrægl, Lch. ii. 332, I.
This is a supplementary entry with editorial changes to an entry in the main volume of the dictionary. Look under the 'Possibly connected entries' below, or for the same headword in the list to the left.

A Combined List of Abbreviations.

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A Combined List of Abbreviations.