dæg-mǽl
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.
dæg-mǽl
. Add: Dægmǽl horologium, dægmǽles píl gnomon, Wrt. Voc. i. 86, 41, 42. Seó sunne ástíhð pricmǽlum on þám dægmǽle . . . se sticca on þám dægmǽle áriht stent, Angl. viii. 317, 15-21. Seó emniht is on , .xii[^m]ᵃ kl. April., swá swá þá geleáfullan rǽderas hit gesetton, and eác gewisse dægmǽl (-mælas, v. l. ) ús swá tǽcað, Lch. iii. 256, 22.
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.

Abbreviation not recognized. See:

A Combined List of Abbreviations.