>I gave some more thought to older and newer meanings of "bruth".
After looking at the DIL definitions of 'bruth': IIa "a glowing mass"
and IIb "boiling, brewing", I wonder if it isn't the Irish word for a
a metal rod kept by the fire with one end in the coals. When someone wanted
to heat their drink they pulled it out and plunged the hot end into their
After a few cups of mulled wine, arguments would start and the disputants
would reach for the rods as weapons, then they would be 'at loggerheads'.