Pierre knew very well what a hieroglyph was, but dared not speak.
The hieroglyph of Leo, for instance, occurs among the symbols of the Mithraic worship."
There is no hieroglyph for the word "progress" because the very idea of progress didn't exist.
Its elements in the hieroglyphic form are pictorial, but each hieroglyph had one or more well-defined functions, fixed by convention in such a manner that the Egyptian language was expressed in writing word by word.
The other view traces it to khem or khame, hieroglyph khmi, which denotes black earth as opposed to barren sand, and occurs in Plutarch as XvAda; on this derivation alchemy is explained as meaning the " Egyptian art."