tunny

[tuhn-ee] /ˈtʌn i/
noun, plural (especially collectively) tunny (especially referring to two or more kinds or species) tunnies. Chiefly British
1.
tuna1 .
Origin
1520-30; by apocope < Medieval Latin tunnīna false tunny, noun use of feminine of tunnīnus like a tunny, equivalent to tunn(us) tunny (variant of Latin thynnus < Greek thýnnos) + -īnus -ine1
British Dictionary definitions for tunny

tunny

/ˈtʌnɪ/
noun (pl) -nies, -ny
1.
another name for tuna1
Word Origin
C16: from Old French thon, from Old Provençal ton, from Latin thunnus, from Greek
Word Origin and History for tunny
n.

large sea-fish of the mackerel order, 1520s, probably from Middle French thon (14c.), from Old Provençal ton, from Latin thunnus "a tuna, tunny," from Greek thynnos "a tuna, tunny," possibly in the literal sense of "darter," from thynein "dart along."