On Mon, 5 Aug 2019 at 15:28, Steven Boozer <sboozer@uchicago.edu> wrote:
Klingon Word of the Day for Sunday, August 04, 2019

Klingon word: Do QIn
Part of speech: noun
Definition: Instant Message (IM)
Source:
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I have this marked as a hypothetical form in my notes.  Does anyone know the source?

I believe the source is this very mailing list, though AFAICT the search function linked on this page isn't working, so I can't confirm that:
https://www.kli.org/activities/email-discussion-group/

--
De'vID