chrys·a·lis
noun/ˈkrɪsəlɪs/
/ˈkrɪsəlɪs/
(also chrysalid
/ˈkrɪsəlɪd/
/ˈkrɪsəlɪd/
)- the young form of a butterfly while it is changing into an adult inside a hard case, also called a chrysalis
enlarge image蝴蝶在硬壳内转变为成年蝴蝶的幼年形态，也称为蛹 Word Originearly 17th cent.: from Latin chrysal(l)is, chrysal(l)id-, from Greek khrusallis, from khrusos ‘gold’ (because of the gold colour or metallic sheen of some pupae).