grammătista — Lewis & Short
grammătista, ae, m., = grammatisth/s,
I a teacher of grammar or of languages:
sunt qui litteratum a litteratore distinguant, ut Graeci grammaticum a grammatista: et illum quidem absolute, hunc mediocriter doctum existiment,Suet. Gramm. 4; id. ib. 24; Mart. Cap. 3, § 229.