Crossword clue: a chief or great heresy. the book itself consists of heresiarchies against our blessed savior. sir t. herbert.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
A chief or great heresy. [R.] The book itself [the Alcoran] consists of heresiarchies against our blessed Savior. Sir T.