risible (adj.)

"laugh at in contempt, mock, ridicule, scorn by laughter," 1520s, from French derider, from Latin deridere "to ridicule, laugh to scorn," from de "down" (see de-) + ridere "to laugh" (see risible). Related: Derided; deriding.

"ridicule, mockery, subjection to ridicule or mockery," c. 1400, from Old French derision "derision, mockery" (13c.), from Latin derisionem (nominative derisio) "a laughing to scorn, mockery," noun of action from past-participle stem of deridere "ridicule," from de "down" (see de-) + ridere "to laugh" (see risible).