The only reason we can even read Egyptian Hieroglyphs is due to the Rosetta Stone with translated it into Ancient Greek. But what about more personal words like names and places. How do we know the glyph of a sun shining on a winged beetle equates to Khufu and thats its even pronounced like that?
Strangely, a similar question came in the other day; I rounded up a bunch of posts that could be helpful. If you have follow-up questions, include the relevant user's username in the comment - most of us have notifications turned on