adj. black
adv. blackly
n. black, blackness
v. to blacken

Ahrk fin Kel lost prodah, do ved viing ko fin krah, tol fod zeymah win kein meyz fundein!
And the Scrolls have foretold, of black wings in the cold, that when brothers wage war come unfurled!
(Book, Songs of Skyrim)

Qethsegol vahrukiv Kendov se Ved Ronax, Sille nu yoriik pindaar se Sovngarde pah Ul.
This stone commemorates the warriors of the Black Regiment, whose souls now march on the plains of Sovngarde for all Eternity.
(Word Wall for Ul, Slow Time)

May be associated with darkness, but not necessarily death or evil. See synonym ruvaak ‘raven’ for a word more closely associated with death.