On Tue, 4 Jun 2019 at 16:56, Steven Boozer <sboozer@uchicago.edu> wrote:
I don't have anything else listed for *{magh}. 

The entire entry just read: "Verb, to commit treason. Also to indicate, reveal." 

Holtej investigated this in 1996 (at that point, it wasn't clear yet that the definition hadn't come from Okrand):
https://www.kli.org/tlhIngan-Hol/1996/July/msg01059.html

In this 1999 update, he explains the origin of the spurious definitions: 
https://www.kli.org/tlhIngan-Hol/1999/May/msg00420.html

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De'vID