grammarize

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

The grammar that the early grammarians knew was Latin grammar, and when they decided to grammarize English, they simply transposed the Latin structure and the Latin terminology and called it English grammar.

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.

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."

Moreover, seen in retrospect from the first line of quatrain 3, it would seem that "But reckening time" embodies a catch in the voice as if the poet had been unable to "grammarize" his fears properly, thereby involving him in a syntactic anacoluthon.

To correct the grammar of (a body of speech or text).

"What is the good of being a jim-dandy shape and a way-up cutter," he sadly thought one Sunday night, after he had been in bed for more than two hours vainly trying to go to sleep," if a fellow tangles his languidge all up, tumbles his words over one another, and can't grammarize what he says. I'm hungry for education."

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