1948, shortened form of television (q.v.). Spelled out as tee-vee from 1949. TV dinner (1954), made to be eaten from a tray while watching a television set, is a proprietary name registered by Swanson & Sons, Omaha, Nebraska, U.S.
the British call a tv set a telly
tutorial
tutti-frutti
tutu
tux
tuxedo
TV
TWA
twa
twaddle
twain
twang