duskIness

[English dusky; -ne .] The quality or state of being dusky or somewhat dark. "Time had somewhat sullied the color of it with such a kind of duskine , as we may observe in pictures that have hung in some smoky room."-Trans. of Boetius (1674), p. 3. *dusk-Ing, *dusk-ynge, pr . par ., a. & s. [DUSK, v.] A. & B. As pr . par . & particip . adj .: (See the verb.) C. As subst.: The act of making dark or dim; the state of becoming dark or dim. "Whereof is engendred duskynge of the eyes." -Sir T. Elyot: Castel of Helth , bk. iii.