word power (2) how you turn: verto

introvert: turning inward
extrovert: turning outward
ambivert: a person having both characteristics of introvert and extrovert

ambidextrous: the ability to use both hands with equal skills
                       (ambi: both; dexter: right hand)
dexterous: skillful
dexterity: a. mental skill or quickness  (use of dexterity from wsj.com)
              b. readiness and in physical activity especially skill and ease
                  in using the hands: manual dexterity

eon/aeon: a. an immeasurable or indefinite long period of time
               b1. a very large devision of geological time usually longer than an era
               b2. a unit of geological time equal to one billion years

prosthesis/prosthetics: an artificial device to replace or augment a missing or
               impaired part of the body (pros: in addition to; tithenai: to put)


-One paralyzed woman had enough dexterity to pick up a cup and take a sip of
 coffee through a straw with the help of a neural prosthesis.

gauche: (f. left) a. a lack of social experience or grace; not tactful
             eg. It's gauche to mention that subject
            b. crudely made or done
gaucherie: an awkward, clumsy, tackless embarrassing way of saying things.

adroit: (f. right) having or showing cleverness, skill, resourcefulness in handling
          situations.
          eg. adroit maneuvers