- a combining form meaning “hidden,” “secret,” used in the formation of compound words: cryptograph.
Origin of crypto-
before a vowel crypt-
- secret, hidden, or concealedcryptography; crypto-fascist
Word Origin and History for crypto-
before vowels crypt-, word-forming element meaning "secret" or "hidden," used in forming English words since at least 1760, from Latinized form of Greek kryptos "hidden, concealed, secret" (see crypt; the Greek comb. form was krypho-). Crypto-fascist is attested from 1937; crypto-communist from 1946.
- Hidden; secret:cryptogenic.