Sham
来自Big Physics
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late 17th century: perhaps a northern English dialect variant of the noun shame.
wiktionary
Probably a dialectal form of shame.
sham ( uncountable)
etymonline
sham (n.)
1670s, "a trick, a hoax, a fraud," also as a verb and an adjective, of uncertain origin; the words burst into use in 1677. Perhaps from sham, a northern dialectal variant of shame (n.); a derivation OED finds "not impossible." Sense of "something meant to be mistaken for something else" is from 1728. The meaning "false front" in pillow-sham (1721) is from the notion of "counterfeit." Related: Shammed; shamming; shammer. Shamateur "amateur sportsman who acts like a professional" is from 1896.
