groschen (n.)youdaoicibaDictYouDict[groschen 词源字典]
1610s, small silver coin formerly used in Germany and Austria, from German groschen, altered from Czech groš, name of a coin (about one-thirtieth of a thaler), from Medieval Latin (denarius) grossus, literally "a thick coin," from Latin grossus "thick" (see gross (adj.), and compare groat).[groschen etymology, groschen origin, 英语词源]