noisome

the word "noisome" presents a fascinating case of semantic shift and false association. it originates from the late middle english term noy, a shortened form of "annoy," combined with the adjective-forming suffix "-some." its original meaning was "harmful, noxious, annoying." crucially, it has no etymological connection to the word "noise," which derives from latin nausea via old french. however, a strong folk etymology arose, linking "noisome" to unpleasant smells and sounds, influencing its modern usage. this association solidified its primary contemporary meaning of "foul-smelling," while the secondary sense of "highly objectionable" retains a trace of its original link to annoyance.

the word is a simplex form. it is not productively formed from separable morphemes in modern english. its first element is an archaic or obsolete form of "annoy" (from middle english noy, from old french noi, anoi), and the second is the suffix "-some" (from old english -sum, meaning "characterized by, tending to").