ufan
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.
ufan
. II. add: 1. literal Sleá man of þá hand þe hé fúl mid worhte, and sette ufan on (uppon, v.l. ) þá mynetsmiððan. Ll. Th. i. 206, 21. 2. figurative Þ hine man forgulde mid healfan punde; gif wé þonne gyld árǽrdon, him man ýhte ufon on be his wlites weorðe, Ll. Th. i. 234, 6. v. ofer-, wiþ-ufan.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.