Simpleton
来自Big Physics
mid 17th century: from simple, on the pattern of surnames derived from place names ending in -ton .
wiktionary
simple + -ton (as in a surname). Abbreviation of simple Tony or Anthony (Grose 1811 Dictionary). Compare French simplet, Italian semplicione.
etymonline
simpleton (n.)
1640s, probably a jocular formation from simple and -ton, suffix extracted from surnames. Compare skimmington, personification of an ill-used spouse, c. 1600.
