classical Latin pallidus pale, colourless, spec. from illness or strong emotion < pallēre to be pale (probably < the same Indo-European base as fallow adj.¹)

“pallid, adj.” OED Online, Oxford University Press, September 2019, http://www.oed.com/view/Entry/136406. Accessed 3 October 2019.

• 13.019 Slowly it grew to a little globe of pallid light.