Origin: 1825–35; < Italian: public eating place, restaurant, equivalent to trattor(e) restaurateur (tratt(are) to treat + -ore-or2, as translation of French traiteur) + -ia-ia
"Italian restaurant," 1832, from It., from trattore "host, keeper of an eating house," from trattare "to treat," from L. tractare, freq. of trahere (pp. tractus) "to draw" (see tract (1)).