[in.tro.vert] vt [intro- + -vert (as in divert)] (1669): to turn inward or in upon itself: as a: to concentrate or direct upon oneself b: to produce psychological introversion in
[2]introvert n (1883) 1: something (as the retractile proboscis of some worms) that is or can be drawn in esp. by invagination
2: one whose personality is characterized by introversion; broadly: a reserved or shy person