Grammaire points out that the Egyptian hieroglyphs are a complex writing system combined logographic, syllabic and alphabetic elements in one text, one phrase or even one character.[1] This work went hand in hand with the Dictionnaire égyptien en écriture hiéroglyphique, another work by Champollion which was also published posthumously by his brother in 1841. The aim of Dictionnaire égyptien was to create a complete method of learning hieroglyphic writing. Émile Prisse d'Avennes, a French archaeologist, who became an Egyptologist after studying Grammaire égyptienne.[1]