cryptogram
n.
1880, from crypto- + gram "word, letter." A modern word coined in English; though the elements are Greek, the ancient Greeks would find it barbarous.
〔李〕n.密码，暗号 [gram=sth.written] ←crypto-[GK] =hidden隐密的
〔李〕n. 密码，暗号 [crypto- =hidden] ←gram [GK] =sth.written or recorded表示“书写物；记录物”
〔蒋〕[crypto隐，秘密，gram写，文字] 密码，密码文，暗记
〔李〕[crypt=hidden隐密的；-o-;gram=letter字母，文字→“hidden letters隐密的文字”→] n. anything written in cipher密码文，暗记