endarken

verb2

1. •
   (literary) To becloud, obscure, to obfuscate; to confound.
2. •
   (literary, rare) To render dark or darker.

   • […] moral education cannot be […] purely enlightened and enlightening […] it cannot be simply a matter of teaching [people] to calculate the long term profit and the loss, while leaving […] desires to develop independently. It must involve an endarkened and endarkening component, by which [people] are taught precisely to cease [their] calculations, to regard certain paths as forbidden, as places where neither profit nor loss has authority.