tunny (n.)youdaoicibaDictYouDict[tunny 词源字典]
large sea-fish of the mackerel order, 1520s, probably from Middle French thon (14c.), from Old Provençal ton and directly from Latin thunnus "a tuna, tunny," from Greek thynnos "a tuna, tunny," possibly with a literal sense of "darter," from thynein "dart along."[tunny etymology, tunny origin, 英语词源]