What is "eyeblack"

Usage examples of "eyeblack".

The mat makers worked on the floor just above them where the light was better, and further down the row were the olive oil millers, candle makers, charcoal sellers, and the dealers in henna, malachite powders, eyeblack, and agents to purify the blood.

She is put off by his bold eyeblack, precisely ruffled silks, and gem-bleached hair.