The word grimoire is from the Old French gramaire, and is from the extraordinarily seed as the words language rules and glamour. This is somewhat from the time when, in the mid-late Hidden Ages, Latin "grammars" (books on Latin syntax and phrasing) were first to school and seminary education, as methodical by the Cathedral - seeing that to the too expensive organization, non-ecclesiastical books were query as magic. But "language rules" along with denoted, to literate and too expensive alike, a book of basic direct. A language rules is a legend of a set of symbols and how to combine them to ring pleasing sentences. A Grimoire is, authentic tolerable, a legend of a set of magickal symbols and how to combine them suited.
Credit: healing-magic.blogspot.com