ambergris
noun /ˈæmbəɡriːs/, /ˈæmbəɡrɪs/
/ˈæmbərɡriːs/, /ˈæmbərɡrɪs/
[uncountable]- a substance that is used in making some perfumes. It is produced naturally by a type of whale.
龙涎香（抹香鲸分泌物，用以制香水） 词源late Middle English: from Old French ambre gris ‘grey amber’, as distinct from amber jaune ‘yellow amber’ (the resin).