Occasionally, light added to itself may give obscure surfaces on a body that has already received light.

First account of an interference effect in Physico-mathesis de lumine, coloribus, et iride, aliisque adnexis libri duo: opus posthumum, published in Bologna (1665), books.google.com Proposition XXII.

as "A body actually enlightened may become obscure by adding new light to that which it has already received." in The Penny cyclopaedia (1845), books.google.com p. 668.