c.1368, "cruel or unjust use of power," from O.Fr. tyrannie
(13c.), from L.L. tyrannia
"tyranny," from Gk. tyrannia
"rule of a tyrant," from tyrannos
"master" (see tyrant
is first attested 1494, from M.Fr. tyranniser
was formed 1538 (tyrannic
was used in this sense from 1491).