Tenebrize

you of the Laity, for tenebrizing, for your Conventicles;

That I had not a line or two from your hand by Mr. D. I suppose was rather mischance then intention: that I eagerly expected it may be credited from my frequent importunities, from which I know not how you will defend your self, so long as I tenebrize it here in this blind corner, where I almost live like a flye in winter, and onely play in the Sun-shine when I communicate with such freinds as your self.

We spend too many of these precious clinic hours in blind stupor, tenebrizing it like polar bears in winter.

The overall atmosphere is not merely murky but tenebrized and quite literally night-soaked.