"Addend" as a verb: Eggcorn?

[Arnold M. Zwicky]

On Apr 6, 2007, at 9:04 AM, Marc Sacks wrote:

> In the MyDD blog this morning, I found this sentence:
>
> "As you might know from reading my posts in the past, I don't usually
> addend my own thoughts to my interviews."
>
> "Addend" looks like a cross between "add" and "append" and possibly a
> back-formation from "addendum." Has anyone in this group
> encountered it?

not before now.  but there are a fair number of hits for "addended"
and some for "addending", some of which look like "addendum" is
involved:

RESOLVED, that the Board of Education [for the Princeton (NJ)
Regional Schools] approve the personnel actions listed in the
attachment and request that a copy be addended to the minutes. ...
www.prs.k12.nj.us/BoardofEd/Agendas2006-07/10-24-06Agenda.htm

The City [of Largo, Florida] currently has the option of addending
MTM's existing contract to ... Addending MTM's existing contract is
seen as a direct benefit to the City from ...
www.largo.com/Commission_agendas/commission_packets/sep_21_99/
addendum_drainage.html

[the OED has only the mathematical noun "addend".]

arnold

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