dugan
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.
dugan
l. deáh, deág, and add: subj, prs. dyge, duge. I. absolute Biþ se wela þý wyrsa, gif sé ne deáh þe hine áh, Bt. 27, 2; F. 98, 15. Gif þú hunig tó dést, deáh. Lch. ii. 30, 22. Ne dohte hit nú lange inne ne úte, ac wæs here and hunger, Wlfst. 159, 7. ys tó gelýfenne hit dyge, Lch. i. 84, 19. Án hríðer dugunde (cf. Icel. dugandi(s) - a prefix to nouns, denoting doughty ), Cht. Th. 460, 17. Lǽcedómas wiþ þon gif hunta gebíte mannan ... sex dugende cræftas, Lch. ii. 14, 20. Þám ealdan gedafeniað dugende þeáwas, O. E. Hml. i. 300, 3. II. to do, be good. 1. for a person (dat. ) Seó deáh gehwæþer ge þæs mannes sáwle ge his líchoman, Lch. i. 70, 3. Ðás wǽtan þing breóstum and innoþum ne dugon, ii. 246, 4. Sé mé dege, i. 388, 16. Ic secge sió foresprǽc ne dyge (prosit ) þám scyldigan, Bt. 38, 7; F. 210, 6. 2. for a purpose Deah hit wið ǽghwylcre innancundre unhǽlo, Lch. i. 86, 18. Seó wyrt deáh tó drincanne, ii. 238, 27.
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.