Where does “таинъ” come from?

таинъ (Old East Slavic) comes from Proto-Slavic *tajьnъ — hidden.

таинъ (Old East Slavic): secret

Definitions

  1. secret

Ancestry of “таинъ”, step by step

StepLanguageWordMeaning
1Proto-Slavic*tajьnъhidden
Every word from Proto-Slavic *tajьnъ