- grate (n.)
- c.1400, from M.L. grata "lattice," from L. cratis "wickerwork."
- grate (v.)
- late 14c. (implied in grater), from O.Fr. grater "to scrape," from Frank. *kratton, from P.Gmc. *krattojan (cf. O.H.G. krazzon "to scratch, scrape"), probably of imitative origin. Senses of "sound harshly," and "annoy" are 16c.