á-borgian
Morphological Analysis
Wordclass: Verb
Verb Class: Weak
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.
á-borgian
Add:I. to be security for a. a person, v. ex. in Dict. b. an agreement Beháte hé and on wedde sylle ðæt . . ., and áborgian his frýnd ðæt, L. Edm. B. 1; Th. i. 254, 7. Weddige sebrýdguma ðæs, and hit áborgian hís frýnd, 2; Th. i. 254, 9. II. to borrow Hit gelamp ðæt hire fæder áborgude .xxx. punda æt Godan, Ch. Th. 201, 15.
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.