cav·i·ar
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 Word Originmid 16th cent.: from Italian caviale (earlier caviaro) or French caviar, probably from medieval Greek khaviari.