bibliomancy means divination by interpreting a passage chosen at random from a book, especially from the Bible. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Why “bibliomancy” is a great word
BIBLIOMANCY — [Noun] Divination by interpreting a passage chosen at random from a book, especially a sacred text. From the combining form biblio- (from Greek biblion, "book") + -mancy (from Greek manteia, "divination, prophecy"). First recorded in English 1745–55. Unlike sortilege (which casts lots with objects like stones) or hermeneutics (which seeks systematic understanding), bibliomancy is a surrender to chance as an oracle. It is the desperate finger stabbing a closed Bible, the anxious flutter of pages in a dusty volume, and the breath held before a randomly revealed verse—a fragile faith that the universe might speak through the arbitrary fall of a leaf in a forest of words.
Etymology
From biblio- + -mancy.
noun
- Divination by interpreting a passage chosen at random from a book, especially from the Bible.