Contraption
来自Big Physics
early 19th century: perhaps from contrive (on the pattern of pairs such as conceive, conception ), by association with trap1.
wiktionary
Possibly a Western US English dialectal word of unknown origin. Perhaps from contrive + trap + -tion, while also possibly approximating construction. Chambers suggests contrivance + adaption [1]. Neither Chambers nor Concise Oxford suggests a US origin. cf cantrip (Scots dialect), a wilful piece of trickery.
etymonline
contraption (n.)
a slighting word for "a device, a contrivance," 1825, western England dialect, origin obscure, perhaps from con(trive) + trap, or deception.
