Sure, you can go full Rossetta and decypher some ancients scripts, but how do you speculate on how they were pronounced?
hi! there have been lots of questions in the sub asking about pronunciation of ancient languages; check these out for previous responses
How do we know?
How were specific languages pronounced
What did the language spoken by the Ancient Egyptians sound like?
What did Megas Alexandros and Julius Caesar actually sound like?
Do we have any clue how Latin was pronounced and how it sounded like in ancient Rome?
How do we know "YHWH" in the Old Testament was pronounced as "Yahweh" and not anything else?
What is the furthest year I can go back in time to England and be able to communicate with people?