caviar
noun /ˈkæviɑː(r)/
  /ˈkæviɑːr/
 (also caviare)
 [uncountable]- the eggs of some types of fish, especially the sturgeon, that are preserved using salt and eaten as a very special and expensive type of food(尤指用鲟鱼子腌制的)鱼子酱 词源mid 16th cent.: from Italian caviale (earlier caviaro) or French caviar, probably from medieval Greek khaviari.