“It’s a mute point”

Do you mean that it is very quiet? I can’t hear it? Why would it be so silent? Oh, I see….you mean a “moot point”. Interestingly, the etymology of the word “moot” comes from the Anglo Saxon  gemot, literally “a meeting”. The Moot was the town assembly and a ‘moot point” is one that is worthy of debate there.  Nothing quiet about that!