On Tue, 20 Nov 2018 at 14:42, Lieven L. Litaer <levinius@gmx.de> wrote:
jantor n. witness – one who has actually seen or been part of an event,
eyewitness

There are some other puns in the vocab, but I especially like this reference to a Christopher Plummer film:
https://en.wikipedia.org/wiki/Eyewitness_(1981_film) 

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De'vID