spiel (n.)youdaoicibaDictYouDict[spiel 词源字典]
"glib speech, pitch," 1896, probably from verb (1894) meaning "to speak in a glib manner," earlier "to play circus music" (1870, in a German-American context), from German spielen "to play," from Old High German spilon (cognate with Old English spilian "to play"). The noun also perhaps from German Spiel "play, game."[spiel etymology, spiel origin, 英语词源]