The Collaborative International Dictionary
Grammatist
Grammatist \Gram"ma*tist\, n. [L. grammatista schoolmaster, Gr.
?, from ? to teach the letters, to be a scribe: cf. F.
grammatiste. See Grammatical.]
A petty grammarian. [R.]
--Tooke.
Douglas Harper's Etymology Dictionary
grammatist
1580s, from French grammatiste, from Medieval Latin grammatista, from Greek grammatistes, from gramma (see grammar).
Wiktionary
grammatist
n. (context historical English) A teacher of prose literature and letters in Ancient Greece.