c.1300, from O.Fr. jolif "festive, merry, amorous, pretty" of uncertain origin (cf. It. giulivo "merry, pleasant"), perhaps a Gmc. loan-word from a source akin to O.N. jol "a winter feast" (see
yule), or from L. gaudere "to rejoice." Jollification "merrymaking" is from 1809;