- sharper (n.)
[sharper 词源字典]
- 1560s, "one who makes sharp," agent noun from obsolete verb sharp "to make sharp" (see sharp (adj.)). Meaning "swindler" is from 1680s, probably a variant of sharker (see shark (n.)). Shortened form sharpie is from 1942, also probably involving the "sharply dressed" sense of the adjective.[sharper etymology, sharper origin, 英语词源]