Aramaic traces back to the ancient Churches which traced back to Israelites that converted to Christianity
The book of Daniel was written in Aramaic
"The Hebrew Bible includes Daniel as one of the Ketuvim, while Christian biblical canons group the work with the major prophets.[4] It divides into two parts: a set of six court tales in chapters 1–6, written mostly in Biblical Aramaic"
https://en.wikipedia.org/wiki/Book_of_Daniel
They did not revive Hebrew they created another language & called it revived