fuligin

Etymology
From.

Noun

 * 1) soot, lampblack.
 * 2) a hypothetical colour darker than black.
 * 3) * 2001, “Richard Horton” (username), “REVIEW: Vernor Vinge’s ‘Across Realtime’”
 * “I'm wearing black only until I find something darker.” — “Fuligin, Mark. Fuligin.”
 * 1) * 2003, “Mike Andrews” (username), “hosteurope blackhat?”
 * More like fuligin: darker than an event horizon.
 * 1) * 2003, “Mike Andrews” (username), “hosteurope blackhat?”
 * More like fuligin: darker than an event horizon.

Adjective

 * 1) fuliginous; sooty or black.
 * 2) of the colour fuligin.