lampblack

• lamp-black

From lamp +‎ black.

lampblack (countable and uncountable, plural lampblacks)

1. An amorphous form of carbon made from incompletely burned organic matter; used to make pigments and inks.
   • 1906, James George Frazer, Adonis, Attis, Osiris, volume 2, page 261:

     A smudge of lampblack is made on his forehead to disfigure him and thus avert the evil eye.

lampblack (third-person singular simple present lampblacks, present participle lampblacking, simple past and past participle lampblacked)

1. (transitive) To blacken (something) using this form of carbon.
   • 1676 December 11 (first performance), [William] Wycherley, The Plain-Dealer. A Comedy. […], London: […] T[homas] N[ewcomb] for James Magnes and Rich[ard] Bentley […], published 1677, →OCLC, Act III, page 42:

     Gadsbodkins, you puny Upſtart in the Law, to uſe me ſo, you Green Bag Carrier, you Murderer of unfortunate Cauſes, the Clerks Ink is ſcarce off of your fingers, you that newly come from Lamblacking the Judges ſhooes, and are not fit to wipe mine; […]