MRS_MOP wrote:I’ve not heard of an Insut before either but I could have asked my great aunt for you if she were still alive seeing as she worked down the pit with her other female colleagues manually pulling coal laden wagons from the coal face to the pit head.
You could organise a seance and ask the question or, and I hope you'll forgive me for thinking outside the box here, what about consulting a dictionary? I took the liberty for you and can confirm that the word does not, in fact, exist.