eyeblack

or eye-black

[ ahy-blak ]
/ ˈaɪˌblæk /

noun

black pigment smudged on the face under the eyes, especially by athletes to reduce sun glare.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for eyeblack

eyeblack

/ (ˈaɪˌblæk) /

noun

another name for mascara
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012