I think the asker wants to know your profession and what you do for example i will answer by saying i am a student studying about blah blah blah.
Definition<span> of </span>root<span> for Students. 1 : the leafless underground part of a plant that absorbs water and minerals, stores food, and holds the plant in place. ... 7 : a word or part of a word from which other words are obtained by adding a prefix or suffix <The word “hold” is the </span>root<span> of “holder.”>
Have a superb day!</span>
Given that 'blunt' means 'not smart' and that 'mettle' means 'wit; intelligence', I believe that the statement that best paraphrases "What a blunt fellow is this grown to be! He was quick mettle when he went to school" is "This man, who was smart in school, has grown up to be unintelligent".
