Just to be boringly pedantic, it’s Devonian not Devonish. The former is someone from Devon the later used to be a brewery company. Thanks for the Almanac and a curse on the house of anyone who tries to snake me for a wave. Happy New Year.
And here I thought he was just being clever and “ish’d” all four to make them nicely illiterative. Maybe he meant the general area of Devon but not quite. Devon-ish.