gramary (n.)youdaoicibaDictYouDict[gramary 词源字典]
early 14c., gramarye, "grammar," also "learning, erudition," hence "magic, enchantment" (late 15c.), a variant of grammar; perhaps from Old French gramare, gramaire "grammar," also "book of conjuring or magic" (hence Modern French grimaire "gibberish, incomprehensible nonsense"). Gramarye was revived by Scott ("Lay of the Last Minstrel," 1805) in the "dark magic" sense.[gramary etymology, gramary origin, 英语词源]