Grit

Chamber's Twientieth Century Dictionary · 1908 · p. 45

grit, n. the coarse part of meal: gravel: a kind of hard sandstone: firmne of character, spirit: ( pl. ) oats coarsely ground, groats.— ns. Grit′stone ; Grit′tine .— adj. Grit′ty , having hard particles: sandy: determined, plucky. [A.S. greót ; Dut. grut , groats, Ger. gries , gravel.]