lotto (n.) Look up lotto at Dictionary.com
1778 as the name of a bingo-like game of chance, from French loto and directly from Italian lotto "a lot," from or with Old French lot "lot, share, reward, prize" a borrowing from Frankish or some other Germanic source (compare Old English and Old Frisian hlot; see lot (n.)). In reference to the drawing of numbers to match those on the cards. Meaning "a lottery, a game of chance" is attested from 1827.