crypto-

1.
a combining form meaning “hidden,” “secret,” used in the formation of compound words:
cryptograph.
Also, especially before a vowel, crypt-.
Origin
combining form representing Greek kryptós hidden. See crypt
British Dictionary definitions for crypto-

crypto-

combining form
1.
secret, hidden, or concealed: cryptography, crypto-fascist
Word Origin
New Latin, from Greek kruptos hidden, from kruptein to hide
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.

crypto- in Medicine

crypto- or crypt-
pref.

  1. Crypt: cryptectomy.

  2. Hidden; secret: cryptogenic.