O.E. greot "sand, dust, earth, gravel," from P.Gmc. *greutan "tiny particles of crushed rock" (cf. O.S. griot, O.Fris. gret, O.N. grjot "rock, stone," Ger. Grieß "grit, sand"), from PIE ghreu- "rub, pound, crush" (cf. Lith. grudas "corn, kernel," O.C.S. gruda "clod"). Sense of "pluck, spirit" first recorded Amer.Eng. 1808. Gritty in sense of "unpleasant" (of literature, etc.) is 1882, in reference to the sensation of eating gritty bread.