κρυπτός
kryptós
“hidden, concealed”
4 words in English grow from this root.
Cryptanalysis
Scienceκρυπτόςkryptós
“undoing of the hidden”
Cryptocurrency
Scienceκρυπτόςkryptós
“hidden money”
Cryptography
Scienceκρυπτόςkryptós
“hidden writing”
Encrypt
Scienceκρυπτόςkryptós
“to put into hiding”