10 letters · 16 points in Scrabble
noun the occurrence of a change for the worse
noun a symptom of reduced quality or strength
noun the condition of being unable to perform as a consequence of physical or mental unfitness
originFrom Middle English empeirement, empeyrement, emparement, from Anglo-Norman empairement, emperement, enpeirement, from Old French ampirement, anpirement, enperement, equivalent to impair + -ment.
Etymology from Wiktionary, CC BY-SA 3.0