convert
v.
c.1300, from Old French convertir, from Vulgar Latin *convertire, from Latin convertere "turn around, transform," from com- "together" (see com-) + vertere "to turn" (see versus). Originally in the religious sense. The Latin word is glossed in Old English by gecyrren, from cierran "to turn, return." Related: Converted; converting.
n.
1560s, from convert, v.. Earlier was convers (early 14c.).
〔蒋〕[con-加强意义，vert转→转变] 变换，转变
〔李〕[con-(com-)表加强词义；vert = to turn 转变→] v. ① turn or change 改变；改成