For thou art already a fideicide, viz., a slayer of thy faith, although not as yet a fratricide.
killing of faith
2018 October 24, Kevin J. Harty, The Chester Mystery Cycle: A Casebook, Routledge, →ISBN:
[…] the essential tragedy, in both theological and personal terms, of a murderer whose fratricide, according to Hebrews 11:4, is equatable to fideicide. But the dramatist does not forget the human consequences of the murder, expressed in Cain's despair and in his parents' grief; this awareness indeed is an indication of the play's dramatic merit and underlying strategy.
2021 April 6, Benjamin A. Cowan, Moral Majorities across the Americas: Brazil, the United States, and the Creation of the Religious Right, UNC Press Books, →ISBN, page 56:
AS the SSPX's [Society of Saint Pius X's] description of the book would have it, "This is the story of the epic battle against Fideicide [faith- killing] in a humble corner of South America.” When the bishop emeritus died in 1991 (still formally excommunicated), the organization's magazine the Angelus fulsomely celebrated his legacy[…]
