introvert
v.
1650s, from Latin intro- "inward" (see intro-) + vertere "to turn" (see versus). The noun, "introverted person" (opposed to extrovert) is 1918, from German psychology, introduced there by C.G. Jung (1875-1961).
〔李〕v.使内弯，使内翻 [vert=to turn] ←intro-[L] =within在内；inward进内
〔蒋〕[intro-向内，vert转] 使(思想)内向，内省，使内弯，内向性格的人