Pharaoh Ale: https://www.homebrewersassociation.org/zymurgy/pharaoh-ale-brewing-a-replica-of-an-ancient-egyptian-beer/
According to the article you posted, they further stomped the fermented grains with their feet, which I presume introduced some rather fascinating bacteria and such. The modern day wild ferments are interesting in their own right. I'd imagine the ancient versions were fairly wicked in flavor. Lol.