Where did Machicolations come from? and how do you say it?

Matt Easton from Scholagladiatoria and Lloyd from Lindybeige have both claimed that the mighty medieval castle machicolations can be pronounced a certain way. Let's discuss.
Scholagladiatoria's reply to this video: https://www.youtube.com/watch?v=S2ZSjNZwViY

Scholagladiatoria's original video: https://www.youtube.com/watch?v=shglfxkI61A
Lindybeige's video with timestamp: https://youtu.be/S5oDKhqka8Y?t=1324

References
Machicolation, postscripts: https://www.yumpu.com/en/document/view/51206673/machicolation-some-postscripts-castle-studies-group
The early normal castles of the British isles: https://www.gutenberg.org/files/48602/48602-h/48602-h.htm

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