lotto (n.)youdaoicibaDictYouDict[lotto 词源字典]
1778, "type of card game," from French loto and directly from Italian lotto "a lot," from Old French lot "lot, share, reward, prize," from Frankish or some other Germanic source (compare Old English and Old Frisian hlot; see lot (n.)). Meaning "a lottery, a game of chance" is attested from 1787.[lotto etymology, lotto origin, 英语词源]