> I know we say we 'boil the kettle', but actually it is the contents of
> the kettle which boil. 'Bruth' here could apply to the boiling
> It is a boiling thing which is in the vessel - and that is why it is
> spilling over.
I seem to remember reading somewhere that they got water to boil by
dropping 'super-heated' rocks into the cauldron. If that were the case
this would both suit 'bruth' and strengthen the analogy to what happened
in the story itself.
Does it ring a bell with anyone else?