Hm, it may have been Aramaic I'd heard, doing a quick search due to not being entirely sure the differences, Brave AI returned:
Aramaic was the lingua franca of the ancient Near East, used by empires such as the Neo-Assyrian, Neo-Babylonian, and Achaemenid Empires, and served as a language of religious study in Judaism, Christianity, and Gnosticism.
Arabic began to replace Aramaic in the 7th century AD, particularly following the Islamic conquests.
Hm, it may have been Aramaic I'd heard, doing a quick search due to not being entirely sure the differences, Brave AI returned:
Well, according to the official narrative anyway.