/ ˈkəʊʃə(r); NAmE ˈkoʊ-/ adjective
1.
( of food ) prepared according to the rules of Jewish law
2.
( informal ) honest or legal :
Their business deals are not always completely kosher.
••
WORD ORIGIN
mid 19th cent.: from Hebrew kāšēr proper.
/ ˈkəʊʃə(r); NAmE ˈkoʊ-/ adjective
1.
( of food ) prepared according to the rules of Jewish law
2.
( informal ) honest or legal :
Their business deals are not always completely kosher.
••
WORD ORIGIN
mid 19th cent.: from Hebrew kāšēr proper.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005