I doubt you can drink tea from a fine kettle of fish with as much ease as the modern kettles, forget about the fish stink. So I also cast my vote for the more archaic use of kettle.
Also, when I read
Foley's question about what porridge is made in, my first thought was "in a pot for a small group, in a
kotyol for a large gathering or over a fire..."
Legate, I completely get you!!!