Cabalistic is a way of saying “secretive or mysterious." A book of ancient, mystical texts would be considered cabalistic. Any society or practice that's secretive and somewhat spiritual or mystical could also get the cabalistic label. The root is ultimately from Hebrew qabbalah, something handed down.

What does the term cabalistic mean?

1 sometimes capitalized : belonging, according, or relating to the Jewish cabala a cabalistic explanation of an Old Testament text cabalistic asceticism.

What's the meaning of Eldritch?

: strange or unnatural especially in a way that inspires fear : weird, eerie And the woman, whose voice had risen to a kind of eldritch singsong, turned with a skip, and was gone.—