What is the correct spelling for ENTHEYAN?

If you meant to type "Entheyan" but realized it was a misspelling, here are some possible correct suggestions. It could be "Entheogen", referring to psychoactive substances used for spiritual or religious purposes. Another possibility is "Ethnobotany", the study of the relationships between plants and people. Or, you might be referring to "Enlighten", meaning to give someone knowledge or understanding.