trifle
n.
c.1200, trufle "false or idle tale," later "matter of little importance" (c.1300), from Old French trufle "mockery," diminutive of truffe "deception," of uncertain origin. As a type of light confection from 1755.
v.
"treat lightly," 1520s, from trifle, n.. Earlier "cheat, mock" (c.1300). Related: Trifled; trifling.