Where does “krypto” come from?

krypto (Finnish) comes from Swedish krypto, from Ancient Greek κρυπτός, from Ancient Greek κρύπτω, from Proto-Indo-European krāu-.

krypto (Finnish): codeword

Definitions

  1. codeword

Ancestry of “krypto”, step by step

krypto traces back through two separate lines of ancestry.

via Swedish krypto

StepLanguageWordMeaning
1Swedishkryptocipher, method of converting plaintext into ciphertext
2Ancient Greekκρυπτόςconcealed, hidden, secret
3Ancient Greekκρύπτωto hide, cover; to conceal, obscure
4Proto-Indo-Europeankrāu-

via English crypto

StepLanguageWordMeaning
1EnglishcryptoA secret supporter or follower; Cryptography;...
Every word from Proto-Indo-European krāu-Every word from Ancient Greek κρύπτωEvery word from Ancient Greek κρυπτός
krypto — Etymology, Origin & Word History | Etymology Explorer