Where does “crypto-believer” come from?

crypto-believer (English) comes from English believer, from Middle English bilevar.

crypto-believer (English): Someone who hides their belief

Definitions

  1. Someone who hides their belief

Ancestry of “crypto-believer”, step by step

crypto-believer traces back through two separate lines of ancestry.

via English believer

StepLanguageWordMeaning
1EnglishbelieverA person who believes; especially regarding...
2Middle Englishbilevar

via English crypto

StepLanguageWordMeaning
1EnglishcryptoA secret supporter or follower; Cryptography;...
Every word from Middle English bilevarEvery word from English believer