Fuscous

Fus′cous

,

Adj.

[L.

fuscus

.]

Brown or grayish black; darkish.

Sad and

fuscous

colors, as black or brown, or deep purple
and the like.

Burke.

,

Adj.

[L. fuscus.] Brown; of a dark color.

fuscous ‎(comparative more fuscous, superlative most fuscous)

Dark in color, dark-hued; dusky, swarthy.
- 1928, Edmund Blunden, Undertones of War, Penguin 2010, p. 140:
  ‘Fresh, fresh, fresh,’ one commented in deep bass on the departing soldier, and the other nodded assent, though in that cave of spoiled air and fuscous lamplight the word ‘fresh’ was misleading […].