grammarize

verb3

1. •
   To create a grammar for (a language); to describe the grammar of.

   • But if he is himself a speaker of the language he proposes to grammarize, he doesn't generally need the corpus to tell him what are sentences of the language and what are not. — 1964
2. •
   To codify; to analyze and describe.

   • To quote the old expression, "he gave the court and jury the raw material and let them 'grammarize' it to suit themselves." — 1884
3. •
   To correct the grammar of (a body of speech or text).

   • During the “good old days” compositors (down this way, at least) had to edit “manifold”—grammarize it, supply dates, figure out sub-heads, etc. — 1906